A black coloured substance is taken and H2 gas is passed through it this black compound afyer sometime changes to reddish brown colour turning . Name the substance ungone the oxidation reaction . Write a balanced chemical reaction for this

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Solution

Copper oxide is black in colour. On passing H₂ gas it get reduced to copper, which is reddish brown in colour.
CuO + H₂ -------> Cu + H₂O

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A black coloured substance is taken and H2 gas is passed through it this black compound afyer sometime changes to reddish brown colour turning . Name the substance ungone the oxidation reaction . Write a balanced chemical reaction for this

Copper oxide is black in colour. On passing H2 gas it get reduced to copper, which is reddish brown in colour. CuO + H2 -------> Cu + H2O

Copper oxide is black in colour. On passing H₂ gas it get reduced to copper, which is reddish brown in colour.
CuO + H₂ -------> Cu + H₂O