Name the following compounds. Also write the symbols/formulae of the ions present in them:

(a) CuSO4 (b) (NH4)2SO4


(c) Na2O (d) Na2CO3


(e) CaCl2

(a) Copper sulphate; Cu2+ and

(b) Ammonium sulphate;


(c) Sodium oxide; Na+ and O2-


(d) Sodium carbonate; Na+ and


(e) calcium chloride; Ca2+ and Cl-


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