A) Mixing the mixture with water and then filtering it. Then we could evaporate the water from the resulting filtrate.
B) Mixing the mixture with water and then filtering it. Then we could evaporate the sand from the resulting solid.
C) Mixing the mixture with oil and then filtering it. Then we could evaporate the solid out.
D) Both (b) and (c)
Correct Answer: A
Solution :
Method given in option is the correct one. The soluble solid will dissolve in the water and the insoluble solid can be separated from the solution by filtration. Resulting filtrate on evaporation will give the insoluble solid.
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