What happens when hydrogen gas is passed over hot copper oxides
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If the copper oxide is hot enough, the hydrogen gas will react with it, removing the oxygen as water vapor, leaving pure copper behind.When hydrogen gas is passed over copper oxide, copper oxide is reduced to copper and hydrogen gets oxidized to H2O.
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Answer:
When hydrogen gas is passed over heated copper oxide, then the black copper oxide is reduced and brown copper metal is obtained.
CuO + H2 → Cu + H2O
Explanation:
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