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Chemistry
OCR GCSE Chemistry A
Elements, compounds and mixtures
Purity and separating mixtures

OCR GCSE Chemistry A · J248

Purity and separating mixtures

Define purity in chemical terms versus everyday usage.
Apply arithmetic and mathematical techniques to quantitative chemistry contexts.
Explain and select appropriate separation techniques for specific mixtures.
Interpret chromatographic data to identify substances.

Subtopics

1
Quantitative Calculations
2
Significant Figures
3
Rearranging Equations
4
Empirical Formulae Calculations
5
Defining Purity
6
Melting Point Analysis
7
Relative Formula Mass
8
Deducing Empirical Formulae
9
Formulations and Mixtures
10
Separation Techniques
11
Chromatography Techniques
12
Phases in Chromatography
13
Interpreting Chromatograms
14
Selecting Purification Methods
15
Chromatography Applications

15 of 15 subtopics have revision notes available.

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