Math, asked by iisupergirlii, 1 year ago

What is the laboratory preparation of hydrogen?

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Answered by pragya2785

3

hEyA here u go....

laboratory preparation of hydrogen:
Hydrogen is prepared in the lab by the action of acids on metal’s dilute.
Zn+H2SO4——> ZnSO4+H2
Zn+ 2HCl—–>ZnCl2+H2
Sulphuric acid is added to granulated zinc. Zinc sulphate or zinc chloride is formed in solution and the hydrogen that is evolved is collected over water in a trough.

hope it helps you

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