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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
- Which one is not equal to zero for an ideal solution
- The molecular weight of a gas is 45. Its density at STP is
- The electronic configuration of transition elements is exhibited by
- The coordination number and oxidation number of X in the following compound [X(SO₄)(NH₃)₅]Cl
- Nitroethane can exhibit one of the following kind of isomerism
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−