Question

Which of the following acts as a reducing agent to reduce $W{{O}_{3}},Mo{{O}_{3}}$ and $Ge{{O}_{2}}$ into metals?

• A. Carbon
• B. Hydrogen
• C. Aluminium
• D. Carbon monoxide

Answer 1

Answer: (B)

Hydrogen

Answer 2

Oxides of certain metals like tungsten $(W)$, molybdenum $(Mo)$ and germanium $(Ge)$ are reduced by hydrogen.