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Question: Answered & Verified by Expert
Calcium is obtained by
Chemistrys Block ElementsNEET
Options:
  • A Electrolysis of molten CaCl2
  • B Electrolysis of solution of CaCl2 in water
  • C Reduction of CaCl2 with carbon
  • D Roasting of lime stone
Solution:
1587 Upvotes Verified Answer
The correct answer is: Electrolysis of molten CaCl2
Calcium is manufactured by the electrolysis of a molten mixture of calcium chloride containing some CaF2.

CaCl 2 → Ca + 2 + 2 Cl -

Ca + 2 + 2 e - → Ca (Cathode)

2 Cl - → Cl 2 + 2 e - (Anode)

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