Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: C5: Chemical analysis Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on C5: Chemical analysis, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The arrangements of particles in solids, liquids and gases are shown. Solid Liquid Gas (a) (i) Which descriptions about the states of matter are true and which are false? Tick (✓) one box in each row. [2] (d) Chromatography can also be used to test for purity. The diagram shows t…
A company called Healthyfood make food colourings. The diagram shows the label from one of their food colourings. (a) A representative for Healthyfood says that the food colouring is pure. A scientist says that it is not pure. Explain the different meanings of the word ‘pure’ use…
A medicine company makes tablets which contain magnesium hydroxide. Jamal uses dilute hydrochloric acid in a titration to check the mass of magnesium hydroxide in one tablet. (a) Magnesium hydroxide reacts with dilute hydrochloric acid to form a salt and water. Complete the word…
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