Select the one which contains solute ions and molecules.

1. NaOH soln.
2. Weak acid
3. Dil. H₂SO₄

Give balanced equation/s for the preparation of the following salts:

1. Copper [II] sulphate from CuO.
2. Iron [III] chloride from Fe.
3. K₂SO₄ from KOH soln.
4. Lead [II] chloride from PbCO₃ [give two equations].

Name the method used from the list:

A : Simple displacement
B : Neutralization
C : Decomposition by acid
D : Double decomposition
E : Direct synthesis

For preparation of the following salts –

(i) Sodium nitrate

(ii) Iron (III) chloride

(iii) Lead chloride

(iv) Zinc sulphate

(v) Sodium hydrogen sulphate.

Match the following i.e.,

(1) Acid salt

(2) Double salt — with the correct choice from — A and B

A : Ferrous ammonium sulphate

B : Sodium hydrogen sulphate