Question

why calcium is not used in the lab preparation of hydrogen

Answer 1

as in electrochemical series calcium occupies 3 rd place so it will react vigorously which will release tremendous amount of energy

Answer 2

$\LARGE{ \underline{\underline{ \pink{ \bf{Required \: answer:}}}}}$

The following metal not used in the lab. preparation hydrogen and how is described below:

Calcium:

Calcium is not used in laboratory preparation of hydrogen as calcium has a very uncontrollable reaction with dilute H2SO4 or dilute HCl.

Jalaj Kumar Mahato (Nobilian)