Correct Answer: Sulphuric Acid
Subject: chemistry
Explanation: • <b>Key Fact</b> Sulfuric Acid (H₂SO₄) is used in car batteries and the production of fertilizers (like ammonium sulfate). • <b>Supporting Detail</b> It is also used in the manufacture of hydrochloric acid, alum, detergents, and plastics. • <b>Related Concept</b> Sulphuric acid is a strong mineral acid that ionizes completely in water. • <b>Why wrong options are wrong</b> Nitric acid is used in explosives (TNT); HCl is used in metal cleaning. • <b>Exam Trick</b> Sulphuric Acid is often called the "King of Chemicals" or "Oil of vitriol". • <b>Additional Info</b> The atmosphere of Venus is made up of thick clouds of sulphuric acid.
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