Starter quiz
- True or false? If a substance is described as 'soluble', then it means it can be dissolved in a solvent.
- True ✓
- False
- Which of the following can filtration be used for in the context of separating mixtures?
- To dissolve all components.
- To separate insoluble substances from soluble substances. ✓
- To change the colour of the mixture.
- To increase the temperature of the mixture.
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- Which of the following properties is not a physical property?
- colour
- boiling point
- shiny or dull
- flammability ✓
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- Which property is most important when choosing a solvent to dissolve a substance?
- The colour of the solvent.
- The boiling point of the solvent.
- The solubility of the substance in the solvent. ✓
- The smell of the solvent.
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- Substances that do not dissolve in a liquid are described as ...
- 'insoluble' ✓
- True or false? Crystallisation is a process that only occurs at high temperatures.
- True, as crystallisation requires high temperatures to form crystals.
- True, because it only happens when a solution is boiled.
- False, as crystallisation can occur at many temperatures, even during cooling. ✓
- False, because crystallisation does not involve temperature changes.
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