For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.

(a) A is a sodium salt.

(b) B is an insoluble salt.

(c) C is a soluble salt of copper.

(d) D is a soluble salt of zinc.

Answers:

(a) Preparation – Neutralisation

Reaction Involved – NaOH + HCl → NaCl + H2O

(b) Preparation – Precipitation

Reaction Involved – Pb(NO3)2 + 2NaCl → PbCl2 + 2NaNO3

(c) Reaction Involved – CuCO3 + H2SO4→ CuSO4 + H2O + CO2

(d) Preparation – Simple displacement

Reaction Involved – Zn + H2SO4→ ZnSO4 + H2