Question
Which of the following solvent can be used to separate common salt from sulphur powder without using water as solvent?
- Hydrochloric acid
- Benzene
- Iodine solution
- Carbon disulphide
Hint:
Carbon disulphide
The correct answer is: Carbon disulphide
To separate the mixture of common salt and sulphur without using water
We use Carbon disulphide for it.
Firstly we dissolve the mixture into carbon disulphide it dissolves sulphur into it.
Than we use fiterate to separate the residue. We get sulphur solution and the common salt and sand left behind .
Evaporates the sulphur solution in open . Carbon disulphide get evaporates and crystal of sulphur we get .
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