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2.1 Purity and separating mixtures

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Question 8

A manufacturer makes batches of sun cream using a recipe.

Why should the measured amounts of its components be kept the same in every batch?

[1]
A

So that every batch is a single substance rather than a mixture.

B

So that every batch has one fixed melting point.

C

So that each component loses its own properties in the cream.

D

So that every batch has the same properties.

Markscheme

2.1 Purity and separating mixtures Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Purity and separating mixtures

102 exam-style questions on OCR GCSE Chemistry 2.1 Purity and separating mixtures, covering 2.1.1 Pure substances and melting point data, 2.1.2 Relative formula mass and empirical formula, 2.1.3 Formulations as useful mixtures, 2.1.4 Techniques for separating mixtures, and 2.1.5 Chromatography and Rf values. Each one has a worked solution and a mark scheme showing where the marks go.

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