Which gives $$CH_4$$ when treated with water?
Correct option is C. Aluminium carbide
Aluminium carbide gives $$CH_4$$ when treated with water
$$\underset{\text{Aluminium carbide}}{Al_4C_3} + 6H_2O \rightarrow \underset{\text{Methane}}{3CH_4} + 2Al_2O_3$$