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Calcium is obtained by the...

Calcium is obtained by the

A

roasting of limestone

B

reduction of `CaCI_(2)` with carbon

C

electrolysis of a solution of `CaCI_(2)` in water

D

electrolysis of molten `CaCI_(2)`

Text Solution

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The correct Answer is:
D
Calcium is obtained by the electrolysis of a fused mass consisting of six parts `CaCl_(2)` and one part `CaF_(2)` at about `700^(@)C` in an electrolytic cell made of graphite.
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