Question

Cu-CuO-CuCl-Cu(Oh) - CuO-CuSO

Answer 1

1. 2Cu + O2 = 2CuO

2. CuO + 2HCl = CuCl2 + H2O

3. CuCl2 + 2NaOH = Cu(OH)2↓ + 2NaCl

4. Cu(OH)2 = CuO + H2O

5. CuO + H2SO4 = CuSO4 + H2O