Write the equation for the laboratory preparation of the following salt using sulphuric acid:
Lead sulphate from Lead nitrate.
Pb(NO3)2(aq)+H2SO4(aq)→PbSO4(s)+2HNO3(aq)
Write the balanced chemical equations for the following conversions: (a) Lead sulphate from lead nitrate solution and dilute sulphuric acid. (b) Copper sulphate from copper and concentrated sulphuric acid (c) Ammonium sulphate from ammonia and dilute sulphuric acid.