Chemistry GCSE
Composition and carat
What Composition and carat means in Chemistry GCSE, as defined for AQA.
Definition of Composition and carat
Check what you remember
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Reference: AQA
The proportion of gold in the alloy is measured in carats, with 24-carat gold being pure gold and 18-carat gold containing 18 parts gold out of 24 by mass.
Topics that use Composition and carat
- Alloys as useful materials (AQA GCSE)
Related terms
- Alloys in everyday use
- Brittle
- Corrosion resistance
- High carbon steel
- Layers of iron atoms
- Low density
- Mixtures versus compounds
- Properties of gold and its alloys
Using Composition and carat in the exam
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