Question

Zinc granuels added un hydrochloric acid. name the evolved gas. write the confirmatory test for the evolved gas.

Answer 1

when zinc granules is added in hydrochloric acid it makes salt of zinc chloride and hydrogen gas is evolved.



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Answer 2

zn+Hcl-> zncl2+H2 this is the reaction

when zn reacts with hcl it gives out hydrogen gas

for experiment see the attachment above ... the attachment above is about reaction of zn with sulphuric acid you can instead of sulphuric acid you can write Hcl acid