Science, asked by dishank491, 7 months ago

on heating copper powder in air, the surface of copper becomes black. it A) combination reaction (B) decomposition reaction (C) dissociation reaction (D) displacement reaction
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Answers

Answered by lohchabmeenakshi3
5

Answer:

hopes it helps you

Explanation:

It is combination reaction

CU+O2--------CUO2

copper combines with oxygen to firm copper oxide

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Answered by yadavrima30
0

Answer:

The combination reaction occurs on heating copper in air. Copper powder is heated and it combines with oxygen to produce copper oxide. Due to which the surface of copper becomes black

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