Chemistry, asked by darshu2, 1 year ago

how to prepare hydrogen gas in laboratory

Answers

Answered by Simran13
2
Hydrogen can be made by reaction of any active metal like magnesium or zinc with a strong acid such as H2SO4 or HCl, for example,

Mg(s) + 2 HCl(aq)  H2(g) + MgCl2(aq)

Since hydrogen gas is almost insoluble in water, it can be collected by displacement of water using an inverted bottle.
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