Question

6. You are provided with a mixture containing sand, iron filings, ammonium
chloride and sodium chloride. Write the separation technique used to separate
each of the four constituents in the mixture.
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Answer 1

Answer:

Iron filings get attached to the magnet and can be separated later on by scrapping. Transfer the remaining mixture to a china dish and subject it to the sublimation process. Ammonium chloride sublimes leaving behind sodium chloride and sand.