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When hydrogen gas is passed over heated copper (II) oxide, copper and steam are formed. Write the balanced chemical equation for this reaction and sta

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When hydrogen gas is passed over heated copper (II) oxide, copper and steam are formed. Write the balanced chemical equation for this reaction and state (i) the substance oxidized and (ii) the substance reduced in the reaction.
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(i) Substance oxidized `= H_(2) `( Hydrogen gas)
(ii) Substance reduced `= CuO` ( Copper oxide)
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