Chemistry - Metallurgy Question with Solution | TestHub

(I) False → Nickel is purified by Mond process, not Van Arkel method.

(II) True → Anglesite (PbSO₄) and Cerussite (PbCO₃) are ores of lead (Pb).

(III) False → MgCl₂ is not prepared by direct heating; it is obtained by dehydration in presence of HCl/other methods, not simple heating.

(IV) False → Zn acts as a reducing agent, not oxidizing agent in hydrometallurgy of Ag.

Hence sequence is F T F F.