Spec 1CH0
Revise Edexcel GCSE Chemistry 3.2 Methods of separating and purifying substances with the question bank, lessons, revision guides, and flashcards.
2.5 Explain the difference between the use of the word pure in chemistry and its everyday use, and distinguish between a pure substance and a mixture. 2.6 Interpret melting point and boiling point data to distinguish between pure substances and mixtures. Assessed at both Foundation and Higher tier.