Combined Science GCSE
Fixed melting and boiling points of pure substances
What Fixed melting and boiling points of pure substances means in Combined Science GCSE, as defined for AQA.
Definition of Fixed melting and boiling points of pure substances
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Reference: AQA
Pure elements and compounds melt and boil at specific temperatures, giving a sharp, fixed melting point and boiling point at a given pressure.
Topics that use Fixed melting and boiling points of pure substances
- Pure substances (AQA GCSE)
Related terms
- Comparing measured and known values
- Everyday versus chemical meaning of pure
- Melting and boiling ranges of mixtures
- Mixture
- Mixtures versus single substances
- Pure substance
- Sharp versus range melting and boiling
- Using data to test purity
Using Fixed melting and boiling points of pure substances in the exam
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