Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Reaction
Zinc metal liberates hydrogen gas on reaction with dilute HCl, but hydrogen gas is not liberated, when zinc is reacted with nitric acid. What is the reason for this observation?
1
Nitric acid oxidises hydrogen gas formed in the reaction.
2
Nitric acid does not contain hydrogen.
3
Zinc is less reactive than hydrogen.
4
More than one of the above
5
None of the above