Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the acf domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Deprecated: Creation of dynamic property ACF::$fields is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/fields.php on line 136

Deprecated: Creation of dynamic property ACF::$locations is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/locations.php on line 130

Deprecated: Creation of dynamic property ACF::$cache is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/cache.php on line 281

Deprecated: Creation of dynamic property ACF::$deprecated is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/deprecated.php on line 228

Deprecated: Creation of dynamic property ACF::$json is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/json.php on line 185

Deprecated: Creation of dynamic property ACF::$local is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/local.php on line 884

Deprecated: Creation of dynamic property acf_loop::$loops is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/loop.php on line 26

Deprecated: Creation of dynamic property ACF::$loop is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/loop.php on line 270

Deprecated: Creation of dynamic property ACF::$revisions is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/revisions.php on line 413

Deprecated: Creation of dynamic property acf_validation::$errors is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/validation.php on line 26

Deprecated: Creation of dynamic property ACF::$validation is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/validation.php on line 212

Deprecated: Creation of dynamic property acf_form_customizer::$preview_values is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-customizer.php on line 26

Deprecated: Creation of dynamic property acf_form_customizer::$preview_fields is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-customizer.php on line 27

Deprecated: Creation of dynamic property acf_form_customizer::$preview_errors is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-customizer.php on line 28

Deprecated: Creation of dynamic property ACF::$form_front is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-front.php on line 664

Deprecated: Creation of dynamic property acf_form_widget::$preview_values is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-widget.php on line 34

Deprecated: Creation of dynamic property acf_form_widget::$preview_reference is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-widget.php on line 35

Deprecated: Creation of dynamic property acf_form_widget::$preview_errors is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-widget.php on line 36

Deprecated: Return type of WPCF7_FormTag::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/form-tag.php on line 396

Deprecated: Return type of WPCF7_FormTag::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/form-tag.php on line 388

Deprecated: Return type of WPCF7_FormTag::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/form-tag.php on line 382

Deprecated: Return type of WPCF7_FormTag::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/form-tag.php on line 400

Deprecated: Return type of WPCF7_Validation::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/validation.php on line 78

Deprecated: Return type of WPCF7_Validation::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/validation.php on line 72

Deprecated: Return type of WPCF7_Validation::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/validation.php on line 59

Deprecated: Return type of WPCF7_Validation::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/contact-form-7/includes/validation.php on line 82

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the rank-math domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Deprecated: Creation of dynamic property RankMath\Admin\Registration::$step is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/admin/class-registration.php on line 61

Deprecated: Creation of dynamic property RankMath\Admin\Registration::$step_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/admin/class-registration.php on line 62

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wpmf domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wpmf domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the advanced-access-manager domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the rank-math domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the rank-math-pro domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Deprecated: Creation of dynamic property RankMath\Tools\Update_Score::$screen is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/database-tools/class-update-score.php on line 46

Deprecated: Creation of dynamic property RankMath\Admin\Options::$key is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php on line 117

Deprecated: Creation of dynamic property RankMath\Sitemap\Sitemap::$index is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/sitemap/class-sitemap.php on line 44

Deprecated: Creation of dynamic property RankMath\Sitemap\Html\Sitemap::$cache is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/sitemap/html-sitemap/class-sitemap.php on line 34

Deprecated: Creation of dynamic property RankMath\Sitemap\Html\Sitemap::$generators is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/sitemap/html-sitemap/class-sitemap.php on line 35

Deprecated: Creation of dynamic property RankMath\Status\Status::$id is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php on line 117

Deprecated: Creation of dynamic property RankMath\Status\Status::$directory is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php on line 117

Deprecated: Creation of dynamic property RankMath\Status\Status::$page is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/status/class-status.php on line 56

Deprecated: Creation of dynamic property RankMath\Version_Control::$id is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php on line 117

Deprecated: Creation of dynamic property RankMath\Version_Control::$directory is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php on line 117

Deprecated: Creation of dynamic property RankMathPro\BBPress::$meta_key is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math-pro/includes/modules/bbPress/class-bbpress.php on line 32

Deprecated: Creation of dynamic property RankMathPro\Analytics\Workflow\Jobs::$analytics_connected is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math-pro/includes/modules/analytics/workflows/class-jobs.php on line 51

Deprecated: Creation of dynamic property RankMathPro\Analytics\Workflow\Jobs::$exist_adsense_table is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math-pro/includes/modules/analytics/workflows/class-jobs.php on line 52

Deprecated: Creation of dynamic property RankMathPro\Analytics\Email_Reports::$views_path is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math-pro/includes/modules/analytics/class-email-reports.php on line 49

Deprecated: Creation of dynamic property RankMathPro\Analytics\Email_Reports::$assets_url is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math-pro/includes/modules/analytics/class-email-reports.php on line 50

Deprecated: Creation of dynamic property Google\Site_Kit\Core\Authentication\Setup::$proxy_support_link_url is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Authentication/Setup.php on line 94

Deprecated: Constant FILTER_SANITIZE_STRING is deprecated since 8.1, use htmlspecialchars() instead in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Admin/Standalone.php on line 95

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: ob_end_flush(): Producing output from user output handler WP_Meteor\Frontend\Rewrite::rewrite is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 5581

Deprecated: Creation of dynamic property acf_field_oembed::$width is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-oembed.php on line 31

Deprecated: Creation of dynamic property acf_field_oembed::$height is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-oembed.php on line 32

Deprecated: Creation of dynamic property acf_field_google_map::$default_values is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-google-map.php on line 33

Deprecated: Creation of dynamic property acf_field__group::$have_rows is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-group.php on line 31

Deprecated: Creation of dynamic property acf_field_clone::$cloning is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/pro/fields/class-acf-field-clone.php on line 34

Deprecated: Creation of dynamic property acf_field_clone::$have_rows is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/advanced-custom-fields-pro/pro/fields/class-acf-field-clone.php on line 35

Deprecated: Creation of dynamic property Tinymce_Advanced::$toolbar_classic_block is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/tinymce-advanced/tinymce-advanced.php on line 338

Deprecated: Creation of dynamic property Tinymce_Advanced::$toolbar_block is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/tinymce-advanced/tinymce-advanced.php on line 340

Deprecated: Creation of dynamic property Tinymce_Advanced::$toolbar_block_side is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/tinymce-advanced/tinymce-advanced.php on line 341

Deprecated: Creation of dynamic property Tinymce_Advanced::$panels_block is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/tinymce-advanced/tinymce-advanced.php on line 342

Deprecated: Creation of dynamic property Tinymce_Advanced::$used_block_buttons is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/tinymce-advanced/tinymce-advanced.php on line 345

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Manager::$post is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-base.php on line 157

Deprecated: Creation of dynamic property RankMath\Post::$rank_math_focus_keyword is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/class-metadata.php on line 118

Deprecated: Creation of dynamic property RankMath\Image_Seo\Add_Attributes::$is_alt is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/image-seo/class-add-attributes.php on line 40

Deprecated: Creation of dynamic property RankMath\Image_Seo\Add_Attributes::$is_title is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/modules/image-seo/class-add-attributes.php on line 41

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$add_noopener is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 42

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$nofollow_link is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 43

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$nofollow_image is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 44

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$new_window_link is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 45

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$remove_class is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 46

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$is_dirty is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 47

Deprecated: Creation of dynamic property RankMath\Frontend\Link_Attributes::$add_attributes is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/frontend/class-link-attributes.php on line 50

Deprecated: Creation of dynamic property Google\Site_Kit\Modules\AdSense\Web_Tag::$module_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Modules/Tags/Module_Tag.php on line 42

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: Creation of dynamic property Google\Site_Kit\Modules\Analytics\Web_Tag::$module_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Modules/Tags/Module_Tag.php on line 42

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: Creation of dynamic property Google\Site_Kit\Modules\Analytics_4\Web_Tag::$module_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Modules/Tags/Module_Tag.php on line 42

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: Creation of dynamic property Google\Site_Kit\Modules\Optimize\Web_Tag::$module_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Modules/Tags/Module_Tag.php on line 42

Deprecated: Creation of dynamic property Google\Site_Kit\Modules\Tag_Manager\Web_Tag::$module_slug is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Modules/Tags/Module_Tag.php on line 42

Deprecated: filter_input(): Passing null to parameter #4 ($options) of type array|int is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/google-site-kit/includes/Core/Util/Input.php on line 64

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/fixed-toc/frontend/html/class-dom.php on line 98

Deprecated: Function WP_Dependencies->add_data() được gọi với một tham số đã bị loại bỏ kể từ phiên bản 6.9.0! Các bình luận có điều kiện của IE bị bỏ qua bởi tất cả các trình duyệt được hỗ trợ. in /home/giasung/domains/giasunguyendu.com/public_html/wp-includes/functions.php on line 6260

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Manager::$tmp_args is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-manager.php on line 222

Deprecated: Creation of dynamic property RankMath\Post::$rank_math_title is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/class-metadata.php on line 110
ĐỀ ÔN THI HÓA 8 HK 2 - ĐỀ THAM KHẢO ÔN LUYỆN 9+
Deprecated: Creation of dynamic property RankMath\Post::$rank_math_description is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/class-metadata.php on line 110

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\User::$rank_math_description is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/class-metadata.php on line 110

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

Deprecated: Creation of dynamic property RankMath\Replace_Variables\Replacer::$exclude is deprecated in /home/giasung/domains/giasunguyendu.com/public_html/wp-content/plugins/seo-by-rank-math/includes/replace-variables/class-replacer.php on line 130

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ĐỀ ÔN THI HÓA 8 HK 2


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ĐỀ THAM KHẢO ÔN THI HÓA 8 HỌC KỲ 2 – 2023

ĐỀ THAM KHẢO SỐ 1

Câu 1: Hoàn thành các phương trình hóa học sau:

a. Na + O2 → …….                            b. ………. →KCl + ………

c. CuO + ……→ Cu + ……                 d. CaO + ……….→ Ca(OH)2

Câu 2: Hoàn thành bảng sau:

CTHH Tên gọi Phân loại
CO2    
  Hydrochloric acid  
  Potassium hydroxie  
Na2CO3    

Câu 3: Nhận biết các dung dịch sau trong các lọ mất nhãn KOH, Ca(NO3)2, HCl.

Câu 4: Cho 3,25 g kim loại Zn tác dụng với acid HCl. Sau khi phản ứng xảy ra hoàn toàn, thu được muối ZnCl2 và khí H2.

a) Viết phương trình hóa học.

b) Tính khối lượng muối ZnCl2 và thể tích khí H2 (đkc).

c) Cho toàn bộ khí H2 phản ứng trên tác dụng hết với khí O2 đun nóng. Hãy tính khối lượng nước tạo thành.

Câu 5: Cho 6,9 g kim loại A (có hóa trị I) tác dụng hết với nước sau phản ứng thấy có 3,7185 lít khí H2 thoát ra ở đkc. Hãy cho biết kim loại A là kim loại nào?

Câu 6: Cho đoạn thông tin sau: “Nước có quan trọng trong cơ thể người và động vật. Ngoài ra, nước còn cần thiết cho hoạt động sản xuất nông nghiệp, công nghiệp,… Hiện nay, nguồn nước đang bị ô nhiễm nghiêm trọng do nhiều nguyên nhân khác nhau. Để ngăn chặn ô nhiễm và bảo vệ nguồn nước chúng ta cần sử dụng nước tiết kiệm, không vứt rác thải ra sông suối, ao hồ, kênh rạch; phải xử lý nước thải của các nhà máy trước khi thải ra môi trường; tuyên truyền vận động mọi người bảo vệ nguồn nước, vớt rác ở các ao hồ, sông suối…”.

Từ đoạn thông tin trên, em hãy nêu hai biện pháp bảo vệ nguồn nước không bị ô nhiễm.

(Cho H = 1; O = 16; Na = 23; Zn = 65; Cl = 35,5; K = 39; Ca = 40; Ba = 137)

ĐỀ THAM KHẢO SỐ 2

Câu 1: Hoàn thành các phương trình hóa học sau:

a. …….. + ……… →CO2               b. KMnO4 →  ………….. +  ……….. + ……..

c. H2 + O2  → ……………             d. ………….. + H2O → H3PO4

Câu 2: Hoàn thành bảng sau:

CTHH Tên gọi Phân loại
  Potassium nitrate  
  Magnesium oxide  
Al(OH)­3    
HNO3    

Câu 3: Nhận biết các dung dịch sau trong các lọ mất nhãn: KNO3, H2SO4, Ba(OH)2.

Câu 4: Cho 8,4 g kim loại Fe tác dụng với axit H2SO4 loãng. Sau khi phản ứng xảy ra hoàn toàn thu được muối FeSO4 và khí H2.

a) Viết phương trình hóa học.

b) Tính khối lượng muối FeSO4 và thể tích khí H2 (đkc).

c) Cho toàn bộ khí H2 phản ứng trên tác dụng hết với CuO đun nóng. Hãy tính khối lượng nước tạo thành.

Câu 5: Cho 19,5 g kim loại X (có hóa trị I) tác dụng hết với nước, sau phản ứng thấy có 6,1975 lít khí H2 thoát ra ở đkc. Hãy cho biết kim loại X là kim loại nào?

Câu 6: Em hãy nêu hai nguyên nhân làm cho nguồn nước hiện nay bị ô nhiễm.

(Cho: H = 1; O = 16; Fe =56; Cu = 64; Na = 23; K = 39; Ca = 40; Ba = 137)

ĐỀ THAM KHẢO SỐ 3

Câu 1: Hoàn thành bảng sau:

CTHH Tên gọi Phân loại
SO3    
Fe(OH)2    
K2SO3    
H2SO4    

Câu 2: Hoàn thành các phương trình hóa học sau:

a. Fe + O2→ ……………          b. KMnO4 → ……… +……..+………

c. ………. + ……  → H2O         d. Zn + HCl →  ……… + ……….

Câu 3: Nhận biết các dung dịch sau trong các lọ mất nhãn: HCl, dung dịch NaOH và Ba(NO3)2.

Câu 4: Hòa tan hoàn toàn 11,2 g kim loại Fe tác dụng với hydrocholric acid (HCl). Khí hydrogen sinh ra được dẫn qua bột copper (II) oxide (CuO) dư, đun nóng.

a) Viết phương trình hóa học xảy ra.

b) Tính thể tích khí H2 sinh ra ở đkc.

c) Tính khối lượng copper thu được sau phản ứng.

Câu 5: Cho 21,7 gam basic oxide có công thức hóa học là M2O tác dụng hoàn toàn với nước, sau phản ứng thu được 0,7 mol dung dịch base. Xác định tên của kim loại M và công thức hóa học của basic oxide trên.

Câu 6: Không khí hiện nay đang ngày càng bị ô nhiễm nghiêm trọng do khí thải từ các nhà máy khu công nghiệp…Theo em, chúng ta cần có những biện pháp nào để giảm thiểu sự ô nhiễm này?

(Cho Fe = 56; Cu = 64; O = 16; Na = 23; C = 12; H = 1).

ĐỀ THAM KHẢO SỐ 4

Câu 1: Hãy bổ sung công thức hóa học phân loại gọi tên vào bảng dưới đây:

CTHH Tên gọi Phân loại
N2O5    
BaSO4    
  Copper (II) hydroxide  
  Hydrobromic acid  

Câu 2: Lập phương trình hóa học của các phản ứng sau cho biết mỗi phản ứng thuộc loại phản ứng nào?

a. Na + H2O → ……… +………        b. KClO3 → KCl + ……….

c. CuO + H2 →…….. + ……..          d. ………. + ……….. → P2O5

Câu 3: Có ba lọ chứa ba chất khí: CO2, O2, H2. Nêu phương pháp để nhận biết chất khí không màu đựng trong mỗi lọ.

Câu 4: Hiện nay, người ta có thể sử dụng bình khí thở Oxygen trong y học và đời sống để cung cấp oxygen cho người không có khả năng tự hô hấp hoặc làm việc trong môi trường thiếu không khí, có khí độc, khí ga…như là trong hầm mỏ, nhà kho, công nghiệp, sản xuất hóa chất, dầu mỏ, luyện kim, bệnh nhân về đường hô hấp…

Theo đoạn thông tin trên, người ta sử dụng bình khí thở oxygen trong trường hợp nào (Nêu ít nhất hai trường hợp)

Câu 5: Trong buổi thực hành điều chế khí oxigen trong phòng thí nghiệm giáo viên đã chuẩn bị sẵn một ống nghiệm chứa 3,16 g KMnO4.

a) Viết phương trình hóa học của phản ứng điều chế khí oxygen trên từ KMnO4.

b) Tính thể tích khí oxigen sinh ra ở đkc.

c) Dùng toàn bộ lượng khí oxigen thu được ở thí nghiệm trên để đốt carbon. Tính khối lượng carbon đã dùng.

Câu 6: Hòa tan hoàn toàn 0,08 mol một basic oxide có công thức hóa học là B2O (với B là kim loại cần tìm) vào nước. Sau khi phản ứng kết thúc thu được 8,96 gam dung dịch base. Tìm tên của kim loại B.

(Cho: K = 39; Mn = 55; S= 32; O = 16)

DE ON THI HOA 8 HOC KY 2
DE ON THI HOA 8 HOC KY 2

SÁCH GIÁO KHOA HÓA 10 FULL 3 BỘ KNTT – CD – CTST

66 ĐỀ THI + Đ.ÁN MÔN HÓA THI TN THPT TỪ NĂM 2008-2022

 


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