Question

Q6)Identify x,y,z in the following...
1) Cu+CO2 +moisture..........) Green substance(X)
2) Ag+Y+ air...........)Black substance (Ag2S)
3) FeSO4+heat.......)Fe2O3 +SO3+(Z)​

Answer 1

Answer:

1=CuCO3 (Copper Carbonate)

2=H2S(Hydrogen Sulphide)

3=SO2(sulphur dioxide)