Question

Hydrogen acts as an oxidising agent in the reaction with :

• A. Bromine
• B. Calcium
• C. Nitrogen
• D. Sulphur

Answer 1

Answer: (B)

Calcium

Answer 2

In the reaction with calcium hydrogen acts as an oxidising agent.

Ca + H2$\longrightarrow$CaH2 (Ca2+ 2H–)