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In the extraction of Ca by electro reduction of molten $\mathrm{CaCl}_{2}$ some $\mathrm{CaF}_{2}$ is added to the electrolyte for the following reason:
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Verified Answer
The correct answer is:
To keep the electrolyte in liquid state at temperature lower than the m. p. of $\mathrm{CaCl}_{2}$
Hint:
$\mathrm{CaF}_{2}$ decreases the melting point of $\mathrm{CaCl}_{2}$
$\mathrm{CaF}_{2}$ decreases the melting point of $\mathrm{CaCl}_{2}$
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