Generally, metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

  1. H2SO4
  2. HCl
  3. HNO3
  4. All of these

Correct answer: (c) HNO3

Explanation: Nitric acid is a powerful oxidizing agent. It reacts with the metal to form water.

Updated on: 10-Oct-2022


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