When copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the hydrogen in this reaction?

Question

When copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the hydrogen in this reaction? — Exam MCQ

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C. Oxidation — The chemical equation is: CuO + H2 → Cu + H2O. Here, hydrogen gains oxygen, increasing its oxidation state from 0 to +2, which is characteristic of an oxidation process.

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A. Both oxidation and reduction

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B. Reduction

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D. Decomposition

When copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the hydrogen in this reaction?

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