{"id":93135,"date":"2025-06-01T11:42:34","date_gmt":"2025-06-01T11:42:34","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=93135"},"modified":"2025-06-01T11:42:34","modified_gmt":"2025-06-01T11:42:34","slug":"which-one-of-the-following-compounds-is-present-in-antacid-tablets-or","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/","title":{"rendered":"Which one of the following compounds is present in antacid tablets or"},"content":{"rendered":"

Which one of the following compounds is present in antacid tablets or medicines which are used to cure indigestion and acidity in the stomach ?<\/p>\n

[amp_mcq option1=”Sodium hydroxide” option2=”Potassium hydroxide” option3=”Lithium hydroxide” option4=”Aluminium hydroxide” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CISF-AC-EXE – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is Aluminium hydroxide.
\n<\/section>\n
\nAntacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts.
\nLet’s look at the given options:
\nA) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid.
\nB) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid.
\nC) Lithium hydroxide (LiOH): A strong base. Not used in antacids.
\nD) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). It helps neutralize acid and can also help protect the stomach lining.
\n<\/section>\n
\nCommon active ingredients in antacids include Aluminium hydroxide (Al(OH)\u2083), Magnesium hydroxide (Mg(OH)\u2082), Calcium carbonate (CaCO\u2083), and Sodium bicarbonate (NaHCO\u2083). Aluminium and magnesium based antacids can have side effects; aluminium salts can cause constipation, while magnesium salts can cause diarrhoea. Combination products are often used to balance these effects. Sodium bicarbonate is fast-acting but can cause belching and flatulence due to CO\u2082 production, and can be a concern for people on sodium-restricted diets. Calcium carbonate is effective but can also cause belching and constipation.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following compounds is present in antacid tablets or medicines which are used to cure indigestion and acidity in the stomach ? [amp_mcq option1=”Sodium hydroxide” option2=”Potassium hydroxide” option3=”Lithium hydroxide” option4=”Aluminium hydroxide” correct=”option4″] This question was previously asked in UPSC CISF-AC-EXE – 2022 Download PDFAttempt Online The correct answer is Aluminium hydroxide. Antacid … <\/p>\n

Detailed SolutionWhich one of the following compounds is present in antacid tablets or<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1089],"tags":[1108,1096,1148],"class_list":["post-93135","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1108","tag-chemistry","tag-food-preservation-nutrition-medicine-etc","no-featured-image-padding"],"yoast_head":"\nWhich one of the following compounds is present in antacid tablets or<\/title>\n<meta name=\"description\" content=\"The correct answer is Aluminium hydroxide. Antacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts. Let's look at the given options: A) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid. B) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid. C) Lithium hydroxide (LiOH): A strong base. Not used in antacids. D) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). It helps neutralize acid and can also help protect the stomach lining.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following compounds is present in antacid tablets or\" \/>\n<meta property=\"og:description\" content=\"The correct answer is Aluminium hydroxide. Antacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts. Let's look at the given options: A) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid. B) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid. C) Lithium hydroxide (LiOH): A strong base. Not used in antacids. D) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). It helps neutralize acid and can also help protect the stomach lining.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:42:34+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following compounds is present in antacid tablets or","description":"The correct answer is Aluminium hydroxide. Antacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts. Let's look at the given options: A) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid. B) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid. C) Lithium hydroxide (LiOH): A strong base. Not used in antacids. D) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). It helps neutralize acid and can also help protect the stomach lining.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following compounds is present in antacid tablets or","og_description":"The correct answer is Aluminium hydroxide. Antacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts. Let's look at the given options: A) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid. B) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid. C) Lithium hydroxide (LiOH): A strong base. Not used in antacids. D) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). It helps neutralize acid and can also help protect the stomach lining.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:42:34+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-compounds-is-present-in-antacid-tablets-or\/","name":"Which one of the following compounds is present in antacid tablets or","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:42:34+00:00","dateModified":"2025-06-01T11:42:34+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is Aluminium hydroxide. Antacid tablets or medicines are used to neutralize excess stomach acid (hydrochloric acid, HCl) to relieve indigestion and acidity. Antacids are typically bases or basic salts. Let's look at the given options: A) Sodium hydroxide (NaOH): This is a strong base (lye). It is highly corrosive and would cause severe internal burns if ingested. It is not used as an antacid. B) Potassium hydroxide (KOH): Similar to sodium hydroxide, this is also a strong base (caustic potash) and is highly corrosive. It is not used as an antacid. C) Lithium hydroxide (LiOH): A strong base. Not used in antacids. D) Aluminium hydroxide (Al(OH)\u2083): This is a weak base commonly used in antacid formulations, often combined with magnesium hydroxide (Mg(OH)\u2082) or calcium carbonate (CaCO\u2083). Aluminium hydroxide reacts with stomach acid to form aluminium chloride and water: Al(OH)\u2083(s) + 3HCl(aq) \u2192 AlCl\u2083(aq) + 3H\u2082O(l). 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