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प्रश्न
How is calcium extracted through electrometallurgy? Give the reactions involved.
रासायनिक समीकरणे/रचना
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उत्तर
It is extracted by the electrolysis of its molten salt (fused calcium chloride, CaCl2).
Reaction at Cathode:
\[\ce{Ca^{2+} + 2e- -> Ca}\]
Reaction at Anode:
\[\ce{2Cl^- -> Cl2 + 2e-}\]
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