If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of [NCERT Exemplar]
A. CuSO4
B. CuCO3
C. CU(NO3)2
D. CuO
Answer:B
If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of [NCERT Exemplar]
A. CuSO4 B. CuCO3 C. CU(NO3)2 D. CuO