Question

a) Student is given a test tube containing an unknown colourless liquid solution.
Suggest a separation technique to separate the solvent from solute of this solution.
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b) Suggest how the student can find out whether or not the water is pure.
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Answer 1

Answer:

a) Containing what? If it is something which won't dissolve with water, use filtration technique, other wise use crystallization technique.

b) by using a filter paper and heater