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Question

Name of metals and non-metals which obtained by electrolysis is/are respectively?

A
Sodium, Chlorine
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B
Magnesium , Iodine
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C
Aluminium, Fluorine
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D
Iron, Cobalt
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Solution

The correct options are
B Sodium, Chlorine
D Aluminium, Fluorine
Metals : Na (from fused NaCl), Al (from fused Al2O3+Na3AlF6)
Non-metals : Cl2 (from fused NaCl), F2 (from fused KHF2 in HF)
So Sodium, Aluminium(metals) Florine,Chlorine(Non-metals) obtained by electrolysis.
Hence options A & C are correct.

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