Electrometallurgy
Trending Questions
Q.
Dry hydrogen when passed over a heated metals like Na, K and Ca, reacts to give their corresponding _______ .
Hydrides
Oxides
Sulphates
Carbonates
Q.
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)
