From the formulae listed below, choose one, corresponding to the salt having the given description:AgCl, CuCO3, CuSO4.5H20, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H20.'On heating the salt, changes from green to black.'

From the formulae listed below, choose one, corresponding to the salt

1.	From the formulae listed below, choose one, corresponding to the salt having the given description:AgCl, CuCO3, CuSO4.5H20, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H20.'On heating the salt, changes from green to black.'
Answer» COPPER carbonate (CuCO₃) SALT on heating CHANGES from green to BLACK.