A sample of natural water contains dissolved salts and suspended sand particles. Suggest how to get rid of these impurities

A sample of natural water contains dissolved salts and suspended sand particles. Suggest how to get rid of these impurities and get clean water. What methods do you use for this: physical or chemical?

Physical methods are used to purify water:
a. Filtration: sand will remain on the filter, and water with dissolved particles in the filtrate.
b. Distillation: The distillation process produces a distillate – pure water.

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