how would you separate hydrated copper (II) sulphate or blue vitriol from its aqueous solution ,pure copper from a mixture - Chemistry -

Question

how would you separate hydrated copper (II) sulphate or blue
vitriol from its aqueous solution ,pure copper from a mixture of
impure copper unused zinc after the reaction of excess zinc with
dilute sulphuric acid gold from a mixture of gold and copper
filings,lead from a mixture of lead sulphate and lead chloride??
(name only the techinques to be used)

Pushkar Shukla · Accepted Answer

1) Evaporation
2) Electrolysis
3) Filtration
4) Chemical Separation using H2SO4
5) Chemical Separation using Hot Water PbCl2 is
soluble in hot water