Question

the best sequence of steps a student has to use to separate sand ,ammonium chloride and sodium chloride is-
1) sublimation, filtration , evaporation.
2) filtration,evaporation,sublimation.
3) evaporation,sublimation, filtration.
4) any of the above.
plz its urgent

Answer 1

(1)Firstly We can filter the solution of sand,ammonium chloride and sodium chloride so that sand can left as residue on filter paper.
(2)Secondly we will do sublimation to separate ammonium chloride from the solution of ammonium chloride and sodium chloride.
(3)Then sodium chloride is left and hence automatically separated.

According to me  the all three option are correct.

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Answer 2

ANY OF THE ABOVE STEPS ARE OK