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

Step-1: Separate iron filings with the help of a magnet.
Step-2: Sublimation of the remaining mixture separates ammonium chloride when solid directly converts to gaseous vapors.
Step-3: Add water to the remaining mixture, stir and filter out sand by filtration.
Step-4: The filtrate can be evaporated to get back sodium chloride.