In the reaction between cupric oxide and hydrogen, cupric oxide is ______________.

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Solution

In the reaction between cupric oxide and hydrogen, the cupric oxide is reduced to copper, and hydrogen is oxidized to water
$CuO + H_{2} \to Cu + H_{2} O$

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In the reaction between cupric oxide and hydrogen, cupric oxide is ______________.

In the reaction between cupric oxide and hydrogen, the cupric oxide is reduced to copper, and hydrogen is oxidized to waterCuO+H2→Cu+H2O

In the reaction between cupric oxide and hydrogen, the cupric oxide is reduced to copper, and hydrogen is oxidized to water
$CuO + H_{2} \to Cu + H_{2} O$