Question

Action of water or dilute mineral acids on metals can give.

• A. Monohydrogen
• B. Tritium
• C. Dihydrogen
• D. Trihydrogen

Answer 1

Answer: (C)

Dihydrogen

Answer 2

$Mg + 2H_{2}O \rightarrow Mg(OH)_{2} + H_{2} \uparrow$