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How can you separate a mixture of salt and ammonium chloride. Show it with a labelled diagram

Posted by Jiwan Gajmer 4 years, 3 months ago

CBSE > Class 09 > Science

1 answers

Gaurav Seth 4 years, 3 months ago

Ammonium chloride changes directly from solid gaseous on heating . So to separate mixtures containing a sublimable volatile component from a non-sublimable impurity i.e., sodium chloride, the sublimation process is used.

• Place the china dish over a wire gauze placed over a tripod stand.

• Cover the china dish with an inverted glass funnel and plug in a little cotton at the opening stem.

• On heating the mixture, white fumes evolve.

• Stop heating when the fumes stop rising and allow the funnel to cool.

• On cooling, remove the funnel and transfer the solid ammonium chloride sticking on the walls of funnel to a watch glass.

1Thank You

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CBSE > Class 09 > Science