Solids can either be soluble or insoluble.

Soluble – means when it is put in water it ‘disappears’. We say it has dissolved and the resulting liquid is called a solution. E.g. salt in water.

Insoluble – means when it is put in water it stays as a solid. Often is makes the liquid cloudy or sinks to the bottom. E.g. sand in water.

Watch the video below to understand the essentials.

Follow these hyperlinks to learn more:-

  1. BBC Bitesize
  2. Royal Society of Chemistry
  3. Royal Society of Chemistry

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