Container made of copper metal on exposure to air for long time turns green. The green layer is due to
(a)	CuO	(b)	CuCO3. Cu(OH)2
(c)	CuSO4.3Cu(OH)2	(d)	all of these

Question ID - 154622 | SaraNextGen Top Answer

Container made of copper metal on exposure to air for long time turns green. The green layer is due to
(a)	CuO	(b)	CuCO3. Cu(OH)2
(c)	CuSO4.3Cu(OH)2	(d)	all of these