When 1gm of copper powder is heated in a china dish the surface of copper powder becomes
black coated.
(i) Why the copper powder gets black coat?
(ii) What happens if hydrogen gas is passed over heated Cuo.
(iii) Name and give equations to show the
Answers
Answered by
0
Answer:
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.
Similar questions