A) \[C{{a}^{2+}}\]can reduce the\[NaCl\]into Na.
B) \[CaC{{l}_{2}}\]helps in electrical conduction.
C) this mixture has less melting point than \[NaCl\].
D) \[C{{a}^{2+}}\]can displace Na from\[NaCl\].
Correct Answer: C
Solution :
Sodium is prepared by the electrolysis of molten mixture of 40%\[NaCl\]and 60%\[CaC{{l}_{2}}\] because\[CaC{{l}_{2}}\]reduces the melting point of\[NaCl\]. Hence, the melting point of this mixture is less than\[NaCl\].You need to login to perform this action.
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