Question

In the laboratory , hydrogen gas is prepared in large amounts by the reaction of -------------- *

Answer 1

Answer: In the laboratory H2 gas is prepared by the reaction of Zinc granules with dil H2SO4 or dil NaOH or dil HCl

Explanation:

Answer 2

Hey mate here is your Answer..

Hydrogen gas is prepared in the laboratory by reacting dilute HCl with granulated zinc. and this reaction is result in change in temperature and makes apparutus hot..

Zn + 2Hcl 》 Zncl2 + H2(Zinc) ( Hydrochloric (Hydrogen) Acid)

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