Explain wit diagram the method for prepartion of hydrogen gas in laboratory.
Page 191 Chapter - 9.Non-Metals
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In the laboratory, H2 is usually prepared by the reaction of acids on metals such as zinc with Kipp's apparatus. The electrolysis of water is a simple method of producing hydrogen. A low voltage current is run through the water, and gaseous oxygen forms at the anode while gaseous hydrogen forms at the cathode
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