Filtration

Filtration is used to separate an insoluble solid from a liquid – sand from water for example.

Image caption,
1. One beaker contains a mixture of solid and liquid. The other contains a funnel with filter paper.
Image caption,
2. The solid and liquid mixture is poured into the filter funnel.
Image caption,
3. The filter paper holds back the solid particles while allowing the liquid to drip through.

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