Composition of azurite mineral is
CuCO3.CuO
Cu(HCO3)2.Cu(OH)2
2CuCO3.Cu(OH)2
CuCO3.2Cu(OH)2
C.
2CuCO3.Cu(OH)2
Azurite is a copper carbonate hydroxide mineral with a chemical composition Cu(OH)2.2CuCO3. It is the ore of copper.
When H2S gas is passed in a metal sulphate solution in presence of NH4OH, a white precipitate is produced. The metal is identified as:
Zn
Fe
Pb
Hg
84Rn219 is a member of actinium series. The other member of this series is-
89Ac225
90Th232
15P35
92U235