Chemistry, asked by Fulara8466, 10 months ago

the colour formed on the surface of copper powder when it is heated in a china dish​

Answers

Answered by Arlestine
2

When the “copper powder” is heated in a 'china dish', the copper powder surface becomes coated with “black colour substance” due to the formation of 'copper oxide' by surface oxidation.

Copper reacts with oxygen in the air upon heating and forms copper oxide.

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