Multiple choice

Which one of the following statements regarding hydrogen is wrong?

  1. Hydrogen has three isotopes.

  2. Hydrogen may be prepared by the action of hot 20% NaOH on silicon.

  3. Nascent hydrogen reduces ferric chloride to ferrous chloride.

  4. Hydrogen gas is corrosive in nature.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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