Chemistry, asked by BansriShah1845, 11 months ago

What happens when hydrogen gas is passed over heated copper oxide cu a black coating on the surface turns blue black coating on the surface transparency black coating on the substance green and black coating on the substance why?

Answers

Answered by savitatehre111

18

Answer:

CuO+H2➡️H2O+Cu

Explanation:

This reaction happens

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