You might have noted that when copper powder is heated is Chaina dish, the surface of copper powder becomes coated with black color substance.a. How has this black coloured substance formed?b. What is the black substance?c. Write the chemical equation of the reaction that takes place.

You might have noted that when copper powder is heated is Chaina dish,

1.	You might have noted that when copper powder is heated is Chaina dish, the surface of copper powder becomes coated with black color substance.a. How has this black coloured substance formed?b. What is the black substance?c. Write the chemical equation of the reaction that takes place.
Answer» the answer is given belowExplanation:Copper reacts with oxygen in the AIR upon heating and FORMS copper OXIDE. The black SUBSTANCE is Copper (\|\|) Oxide.CHEMICAL EQUATIONCu + O2-> 2 CuO