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 $