the colour formed bon the surface of copper powder when it is heated in a China dish :
a) red
b) blue
c) green
d) black
Answers
Answered by
3
D) Black
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. The black colour is due to the formation of this copper (II) oxide as the copper comes in contact with the air.
Answered by
2
Answer:
black
Explanation:
have a great day
hope it helps you
Similar questions