Chemistry, asked by nibeditasaiki4895, 1 year ago

Why brown coloured copper powder turns black on heating?

Answers

Answered by Anonymous
3

2Cu + O2 when heated will give 2CuO

Since, if heating this brown copper in air turns black in color this is because of formation of copper oxide. This can be explained as copper reacts with oxygen present in air to form copper oxide, which is actually black in color.

Answered by shruti16778
2

Answer:

It react with oxygen to form CuO

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