Chemistry, asked by Sanidhya30, 1 year ago

If copper metal is heated over the flame it develops a coating.What is the colour amd composition of coating

Answers

Answered by nivitashinde

1

colour : black
reaction : 2Cu (s) + O2 (g)-------> 2CuO (s)

Answered by simransandhu3

0

blue colour due to loss of electron

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