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Question
You have been given a powdered mixture of carbon, sulphur and potassium chloride. How will you separate each constituent from the mixture?
You have been given a powdered mixture of carbon, sulphur and potassium chloride. How will you separate each constituent from the mixture?
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Solution
The correct option is A Solvent extraction, solvent extraction, evaporation
You have been given a powdered mixture of carbon, sulphur and potassium chloride. You separate each constituent from the mixture by solvent extraction, solvent extraction, evaporation.
Potassium chloride dissolves in water but not carbon and sulphur. Filter and evaporate the filtrate. Water evaporates leaving behind potassium chloride.
Dissolve the residue in carbon disulphide. Sulphur dissolves leaving behind carbon. Filter and evaporate the filtrate. Carbon disulphide evaporates leaving behind sulphur.
Option A is correct.
You have been given a powdered mixture of carbon, sulphur and potassium chloride. You separate each constituent from the mixture by solvent extraction, solvent extraction, evaporation.
Potassium chloride dissolves in water but not carbon and sulphur. Filter and evaporate the filtrate. Water evaporates leaving behind potassium chloride.
Dissolve the residue in carbon disulphide. Sulphur dissolves leaving behind carbon. Filter and evaporate the filtrate. Carbon disulphide evaporates leaving behind sulphur.
Option A is correct.
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