Question

You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture?

Answer 1

Maim Mixture – \[\ce{Sand + Fe + NH4Cl + NCl}\]

Step I – Separate iron filings using a magnet.

Step II – Separate NH₄Cl by sublimation.

Step III – Add, water, stir and filter to separate sand.

Step IV – Evaporate the filtrate to get salt (NaCl).