Chemistry - Hydrogen and Its compound Question with Solution | TestHub

Question Explanation: Processes for preparing ${\mathrm{H}}_2$ gas.

Concept: Preparation of dihydrogen.

Solution: Dihydrogen gas can be prepared by several methods:

Dissolving lithium hydride (LiH) in water.

Reaction of amphoteric aluminum (Al) with an aqueous NaOH solution.

Reaction of reactive zinc (Zn) with dilute sulfuric acid (H₂SO₄ ).

Electrolysis of water in the presence of an electrolyte like KOH.

All listed processes can be used to prepare H₂ gas.

All are correct to prepare Dihydrogen Gas