Hydrogen And Its Compounds Question 154

Question: Hydrogen can be obtained from water, by the action of water on

Options:

A) Calcium carbide

B) Calcium hydride

C) Calcium oxide

D) Calcium

Show Answer

Answer:

Correct Answer: B

Solution:

$ CaH_2+2H_2O\to Ca{{(OH)}_2}+2H_2\uparrow $

$ Ca+2H_2O\to Ca{{(OH)}_2}+H_2\uparrow $