How can you obtain pure water from a salt-water mixture (or salt-solution)? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from salt-water mixture (or salt-solution).

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Solution

Simple distillation will separate water from salt water solution. In this, the solution is heated and which causes the water to evaporate. Next, the steam is collected, cooled and collected in a separate flask/container. This technique works because the boiling point of water is much lower than the salt.

Diagram showing the apparatus to obtain pure water from salt-water mixture:

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