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

Consider the above reaction, the element that is oxidizes 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 the reaction, Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.

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Similar questions

When hydrogen gas (H₂) is passed over copper oxide (CuO), copper (Cu) is produced along with water (H₂O). The balanced chemical equation for the given reaction is

Which substance is oxidized in the given reaction?

The elements whose oxides can turn limus solution red are:
(a) lithium and sodium (b) co.

copper and potassium
(c) carbon and hydrogen (d) phosphorus and sulphur

Copper oxide is heated with hydrogen to form copper metal and water. What happens to copper oxide?

When the copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the hydrogen in this reaction?

Is copper more reactive than hydrogen?

Then which elements are more reavtive than hydrogen and also copper?

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CuO+H2→Cu+H2O Consider the above reaction, the element that is oxidizes 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 the reaction, Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.

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

Consider the above reaction, the element that is oxidizes 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 the reaction, Cu is reduced due to the removal of oxygen and hydrogen is oxidized due to addition of oxygen.