Chemistry · PYQ NEET UG 2019(2)

Crude sodium chloride obtained by crystallization of brine solution does not contain

1. A
   \( \mathrm{CaSO_4} \)
2. B
   \( \mathrm{MgSO_4} \)
3. C
   \( \mathrm{Na_2SO_4} \)
4. D
   \( \mathrm{MgCl_2} \)