Starter quiz
- True or false? Solids that do not dissolve in a liquid are called insoluble.
- True ✓
- False
- What is the process of changing a liquid into a vapour (gas) called?
- 'evaporation' ✓
- True or false? When a solution is heated, the solvent evaporates more slowly.
- True
- False ✓
- Which properties below would be helpful in separating a mixture of substances?
- Smell of the substances.
- Boiling points of the substances. ✓
- Colour of the substances.
- Solubility of the substances. ✓
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- True or false? All liquids have the same boiling point of 100℃.
- True
- False ✓
- In a mixture of two liquids with very different densities, the less dense liquid will ...
- float on top ✓
- sink to the bottom
- mix with the other liquid
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