$C u O + H_{2} \to C u + H_{2} O$

Considering the above reaction, the element that is oxidized is A and the element that is reduced is B. The elements B and A respectively are and _.

Hydrogen and copper

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Copper and hydrogen

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Copper oxide and water

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Copper and water

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Solution

The correct option is B
Copper and hydrogen

$C u O + H_{2} \to C u + H_{2} O$

In this reaction Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.

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CuO+H2→Cu+H2O Considering the above reaction, the element that is oxidized is A and the element that is reduced is B. The elements B and A respectively are ____________ and _____________.

The correct option is B Copper and hydrogen CuO+H2→Cu+H2O In this reaction Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.

$C u O + H_{2} \to C u + H_{2} O$

Considering the above reaction, the element that is oxidized is A and the element that is reduced is B. The elements B and A respectively are and _.

The correct option is B
Copper and hydrogen

$C u O + H_{2} \to C u + H_{2} O$

In this reaction Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.