{"id":3560,"date":"2023-02-05T06:54:10","date_gmt":"2023-02-05T06:54:10","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3560"},"modified":"2024-12-02T08:38:04","modified_gmt":"2024-12-02T08:38:04","slug":"s-20-c-corrosion","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-20-c-corrosion\/","title":{"rendered":"S-20.c Corrosion"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Corrosion<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-36dce3b5d8a769fca29ca1d6990a0e17\" style=\"color:#74008b\"><strong>Key Notes<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-background\" style=\"background-color:#a9f339\"><strong>Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Corrosion is the gradual deterioration of metals due to their reaction with environmental factors such as oxygen, moisture, and pollutants.<\/li>\n\n\n\n<li>Example: Rusting of iron.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-44.png\" alt=\"\" class=\"wp-image-14729\" style=\"width:328px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-44.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-44-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-44-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-44-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#ff5c5c\"><strong>Causes of Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Presence of Moisture<\/strong>: Water in the environment facilitates the oxidation of metals.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-45.png\" alt=\"\" class=\"wp-image-14731\" style=\"width:276px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-45.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-45-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-45-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-45-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Oxygen<\/strong>: Combines with metals to form oxides.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-46.png\" alt=\"\" class=\"wp-image-14732\" style=\"width:260px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-46.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-46-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-46-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-46-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pollutants<\/strong>: Gases like sulfur dioxide and carbon dioxide accelerate corrosion.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-47.png\" alt=\"\" class=\"wp-image-14734\" style=\"width:262px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-47.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-47-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-47-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-47-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#32f32b\"><strong>Examples of Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Iron<\/strong>: Rusts to form hydrated ferric oxide (Fe\u2082O\u2083\u00b7xH\u2082O).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-48.png\" alt=\"\" class=\"wp-image-14736\" style=\"width:258px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-48.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-48-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-48-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-48-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Copper<\/strong>: Forms a green layer of basic copper carbonate (patina).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-49.png\" alt=\"\" class=\"wp-image-14737\" style=\"width:246px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-49.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-49-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-49-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-49-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Silver<\/strong>: Tarnishes to form silver sulfide (Ag\u2082S).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-50.png\" alt=\"\" class=\"wp-image-14739\" style=\"width:262px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-50.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-50-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-50-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-50-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aluminium<\/strong>: Forms a protective layer of aluminium oxide (Al\u2082O\u2083).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-51.png\" alt=\"\" class=\"wp-image-14743\" style=\"width:302px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-51.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-51-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-51-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-51-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#fe81f8\"><strong>Rusting of Iron<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reaction<\/strong>: 4Fe + 3O\u2082 + 6H\u2082O \u2192 4Fe(OH)\u2083, which dehydrates to Fe\u2082O\u2083\u00b7xH\u2082O (rust).<\/li>\n\n\n\n<li>Rusting is a specific type of corrosion that weakens iron structures.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-52.png\" alt=\"\" class=\"wp-image-14744\" style=\"width:234px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-52.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-52-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-52-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-52-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#69edd1\"><strong>Factors Affecting Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Humidity<\/strong>: High moisture levels increase corrosion.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-53.png\" alt=\"\" class=\"wp-image-14745\" style=\"width:274px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-53.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-53-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-53-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-53-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temperature<\/strong>: Higher temperatures accelerate chemical reactions.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-54.png\" alt=\"\" class=\"wp-image-14746\" style=\"width:230px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-54.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-54-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-54-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-54-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Impurities<\/strong>: Saltwater and acidic pollutants enhance corrosion rates.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-55.png\" alt=\"\" class=\"wp-image-14747\" style=\"width:250px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-55.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-55-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-55-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-55-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#f9c22c\"><strong>Prevention of Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Coating and Painting<\/strong>: Creates a protective barrier against moisture and air.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-56.png\" alt=\"\" class=\"wp-image-14748\" style=\"width:274px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-56.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-56-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-56-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-56-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Galvanization<\/strong>: Coating iron with a layer of zinc.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-57.png\" alt=\"\" class=\"wp-image-14749\" style=\"width:260px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-57.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-57-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-57-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-57-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alloying<\/strong>: Mixing metals to improve corrosion resistance (e.g., stainless steel).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-58.png\" alt=\"\" class=\"wp-image-14750\" style=\"width:256px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-58.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-58-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-58-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-58-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Electroplating<\/strong>: Depositing a layer of a less reactive metal on the surface.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-59.png\" alt=\"\" class=\"wp-image-14751\" style=\"width:268px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-59.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-59-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-59-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-59-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cathodic Protection<\/strong>: Using a more reactive metal as a sacrificial anode to protect the main metal.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-60.png\" alt=\"\" class=\"wp-image-14752\" style=\"width:330px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-60.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-60-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-60-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-60-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Greasing or Oiling<\/strong>: Prevents moisture contact with the metal surface.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-61.png\" alt=\"\" class=\"wp-image-14753\" style=\"width:318px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-61.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-61-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-61-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-61-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#ecad24\"><strong>Impact of Corrosion<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Weakens metal structures, reducing their strength and durability.<\/li>\n\n\n\n<li>Causes economic loss due to the replacement and maintenance of corroded materials.<\/li>\n\n\n\n<li>Leads to safety hazards, especially in bridges, buildings, and pipelines.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-62.png\" alt=\"\" class=\"wp-image-14754\" style=\"width:242px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-62.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-62-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-62-150x150.png 150w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/otie-62-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/83075\/223\/748\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-96.png\" alt=\"\" class=\"wp-image-5734\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-96.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-96-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-96-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81518\/595\/661\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-95.png\" alt=\"\" class=\"wp-image-5735\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-95.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-95-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-95-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Corrosion Key Notes Corrosion: Causes of Corrosion: Examples of Corrosion: Rusting of Iron: Factors Affecting Corrosion: Prevention of Corrosion: Impact of Corrosion: Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3560","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3560"}],"version-history":[{"count":13,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3560\/revisions"}],"predecessor-version":[{"id":15113,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3560\/revisions\/15113"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}