TRUE / FALSE

Questions

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7 questions · timed · auto-graded

Question 11 Mark

Hydrogen gas is easily liquefiable.

Answer

False

Question 21 Mark

Hydrogen is combustible as well as a supporter of combustion.

Answer

False

Question 31 Mark

Zinc can liberate hydrogen from water, acid and alkali solution.

Answer

true

Question 41 Mark

The reaction between hydrogen and nitrogen to form ammonia is reversible.

Answer

true

Question 51 Mark

Nitric acid can not be used to prepare hydrogen by its action on active metals ?

Answer

False.
Hydrogen cannot be prepared by the action of nitric acid on metals because it also releases nitrous oxide and nitric oxide.

Question 61 Mark

The removal of hydrogen from a substance is called reduction.

Answer

False
The removal of hydrogen from a substance is called oxidation.

Question 71 Mark

The hydrogen molecule is monovalent.

Answer

This Statement is True.

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TRUE / FALSE - CHEMISTRY STD 8 Questions - Vidyadip

CHEMISTRY TRUE / FALSE