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Calcium is obtained by the
Options
(a) electrolysis of solution of calcium chloride in water
(b) electrolysis of molten anhydrous calcium chloride
(c) roasting of limestone
(d) reduction of calcium chloride with carbon
Correct Answer:
electrolysis of molten anhydrous calcium chloride
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The molecular geometry of BF₃ is
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- Glycerine is a/an
- The solubility of I₂ increases in water in the presence of
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Calcium is obtained by electrolysis of molten CaCl2
Calcium is obtained by the electrolysis of a fused mass consisting of six parts calcium chloride and one part calcium fluoride at about 700oC in an electrolytic cell made of graphite which acts as anode and a water-cooled cathode of iron which is suspended from the top in the fused mass. On passing current, calcium is discharged at the cathode. CaCl2⇌Ca2++2Cl−