Mixtures versus single substances
What Mixtures versus single substances means in Combined Science GCSE, as defined for AQA.
Definition of Mixtures versus single substances
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Reference: AQA
A pure substance contains only one element or compound, with no other substances mixed in, whereas pure milk is a mixture of water, fats, proteins, sugars and minerals.
Topics that use Mixtures versus single substances
- 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
- Pure substance
- Sharp versus range melting and boiling
- Using data to test purity
Using Mixtures versus single substances in the exam
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