(a(i))[2]
An excess of solid zinc oxide is mixed with dilute sulfuric acid so that a salt is formed. Complete the word equation for this reaction. zinc oxide + sulfuric acid → [BLANK] + [BLANK]
(a(ii))[1]
State the method used to take away the excess solid zinc oxide from the reaction mixture.
(a(iii))[2]
Describe how crystals of the pure salt are obtained from an aqueous solution of the salt produced.
(b(i))[2]
Annotate Fig. 5.1 to indicate the cathode and the electrolyte.
(b(ii))[1]
State a suitable substance for the inert electrodes.
(b(iii))[2]
State the products formed at the positive and negative electrodes.
(c)[2]
Zinc chloride contains ionic bonds. State what is meant by the term ionic bond.