The Sblock Elements Ques 33
33. Calcium is obtained by the
[1997]
(a) electrolysis of solution of calcium chloride in water
(b) electrolysis of molten anhydrous calcium chloride or fused calcium chloride
(c) roasting of limestone
(d) reduction of calcium chloride with carbon
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Answer:
Correct Answer: 33.(b)
Solution: (b) Calcium is obtained by electrolysis of a fused mass consisting six parts calcium chloride and one part calcium fluoride at about $700^{\circ} \mathrm{C}$ in an electrolytic cell.
BETA
