Chemistry
Starting from insoluble ZnO how would you obtain insoluble ZnCO3 by precipitation.
Related Questions
Give balanced equations for the action of a dilute acid on
(i) zinc carbonate,
(ii) potassium bicarbonate for the preparation of the respective salt.
Give balanced equations for the decomposition of
- calcium bicarbonate by dil. HCl
- calcium carbonate by dil. HNO3
- sodium sulphite by dil. H2SO4
- zinc sulphide by dil. H2SO4.
State the method only, generally used for the preparation of the following salts
(i) Zn(NO3)2
(ii) NH4Cl
(iii) ZnSO4
(iv) ZnS
(v) CaCO3
(vi) FeCl3
(vii) PbCl2
(viii) Pb(NO3)2
Give balanced equations for the preparation of the following salts –
(a) (i) CuSO4
(ii) NaHSO4
(iii) Na2SO4
(iv) FeSO4
(v) BaSO4
(vi) PbSO4 — using dil. H2SO4
(b) (i) NaHSO4
(ii) CuSO4 — using conc. H2SO4