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Introduction

NaCl and Ca...

Question

$N a C l$ and $C a C l_{2}$ are also added to fused $M g C l_{2}$ in the electrolysis of $M g C l_{2}$ . Select the correct statement.

melting point is decreased and conductivity is increased

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melting point is increased and conductivity is decreased

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melting point and conductivity both are decreased

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melting point and conductivity both are increased

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Solution

The correct options are
A melting point and conductivity both are increased
C melting point is increased and conductivity is decreased
D melting point and conductivity both are decreased
$N a C l$ and $C a C l_{2}$ are also added to fused $M g C l_{2}$ in the electrolysis of $M g C l_{2}$ because they decreases melting point and increases the conductivity .

Hence option A is correct.

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