__________ is called impure sodium chloride.

Gypsum salt

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Rock salt

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Carbonate salt

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Rochel salt

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Solution

The correct option is B Rock salt
Rock salt is called impure sodium chloride (NaCl).
Rock salt is also called Halite.
Gypsum salt is $C a S O_{4} \cdot 2 H_{2} O$
Rochel salt is Potassium sodium tartrate tetrahydrate.

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Similar questions

Give a chemical test to distinguish between the following :

(a) Ammonium chloride and sodium chloride,

(b) Ferric salt and ferrous salt,

(NaCl)

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