1.

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 \[Na\]
Answer» C.                 \[C{{a}^{++}}\] can displace \[Na\] from \[NaCl\]


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