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Study the given flow chart and select th...

Study the given flow chart and select the correct statements.

If X is water and Y is carbon disulphide then P, Q and R could be respectively

A

Sand, sugar and common salt

B

Coal, sulphur and common salt

C

Sugar, sulphur and coal

D

Coal, sugar and sulphur.

Text Solution

Verified by Experts

The correct Answer is:
B
Common salt is soluble in .X (ie, water) while sulphur is soluble in .Y (i.e., carbon disulphide), both the solutes will be recovered from the filtrate by evaporation. But, coal is insoluble in both. It will be left behind as residue.
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