1.

Identify the mixture in which the constituents cannot be separated by sublimation.

Answer»

Naphthalene+sand
Iodine+Iron
Ammonium chloride + sand
SULPHUR+Sand

Solution :The constituents of the mixture of sulphur and sand cannot be SEPARATED by sublimation as both the solids are not sublimable.
HENCE, the CORRECT option is (d).


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