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Question

Compound can be reduced to copper when heated with coke is

A
Copper hydroxide
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B
Copper oxide
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C
Copper sulphide
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D
All of these
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Solution

The correct option is B Copper oxide

The metals, which are low in the reactive series, undergo reduction reaction. Their metal oxides react with carbon to reduce the metal oxide to its metal and form an oxide of carbon.

2CuO+C2Cu+CO2

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