Chemistry, asked by Chirandip3757, 9 months ago

What happens when hydrogen gas is passed over heated copper oxide cu mcq?

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Answered by Ritu012

Answer:

If hydrogen gas is passed over heated copper oxide (CuO), the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained. ... The hydrogen is gaining oxygen and is being oxidised.In other words, one reactant gets oxidised while the other gets reduced.

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