.You
might have noted that when copper powder is heated in a china dish, the surface of copper powder becomes coated with a black
colour
substance.
(
i
) How has this black
coloured
substance formed?
(ii) What is that black substance?
(iii) Write the chemical equation of the reaction that takes place.
Answers
Answered by
6
Answer-The black substance is copper oxide
Explanation: Copper oxide is formed by oxidation of copper during heating
Eq- 2Cu + O2 = 2Cuo
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