Combined Science GCSE
Sharp versus range melting and boiling
What Sharp versus range melting and boiling means in Combined Science GCSE, as defined for AQA.
Definition of Sharp versus range melting and boiling
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Reference: AQA
A pure substance melts and boils at a specific temperature, while an impure sample melts and boils over a range of temperatures rather than sharply.
Topics that use Sharp versus range melting and boiling
- Pure substances (AQA GCSE)
Related terms
- Comparing measured and known values
- Everyday versus chemical meaning of pure
- Fixed melting and boiling points of pure substances
- Melting and boiling ranges of mixtures
- Mixture
- Mixtures versus single substances
- Pure substance
- Using data to test purity
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