Multiple choice

Which chemical is called the king of chemicals?

  1. Hydrochloric acid

  2. Nitric acid

  3. Acetic acid

  4. Sulphuric acid

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D Correct answer
Explanation

Sulfuric acid (H2SO4) is called the 'king of chemicals' because it is the most widely produced and used industrial chemical globally. It's essential for manufacturing fertilizers, chemicals, petroleum refining, and metal processing. The other options are incorrect: hydrochloric acid (HCl) is used in digestion and industry, nitric acid (HNO3) is important for explosives and fertilizers, and acetic acid (CH3COOH) is the main component of vinegar.

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