Question

Ques) when copper is oxidized it forms
1. Cuo Black colour substance
2. Cuo Blue colour substance
3. Cuo Brown colour substance
4. Cuo Red colour substance​

Answer 1

Answer:

cou brown colour substance is your answer

Explanation:

i hope it help u

Answer 2

Answer:

1. Cuo Black colour substance

Explanation:

2Cu + $O_2$  -----> 2CuO

Copper oxide is black substance.

1. Cuo Black colour substance....is the correct answer