question_answer

Sodium is made by the electrolysis of a molten mixture of about 40% \[NaCl\] and 60% \[CaC{{l}_{2}}\] because [CBSE PMT 1995]

A)                 \[CaC{{l}_{2}}\] helps in conduction of electricity

B)                 This mixture has a lower melting point than \[NaCl\]

C)                 \[C{{a}^{++}}\] can displace \[Na\] from \[NaCl\]

D)                 \[C{{a}^{++}}\] can reduce \[NaCl\] to \[Na\]