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1.1 The particle model

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Question 13
F

Crystals of substance X are crushed into a powder. Chemical testing shows that the powder is still X. The powder can be poured, but each tiny grain keeps its own shape. Which statement is correct?

[1]
A

Crushing is chemical because the overall sample can now flow

B

Crushing is physical, and the individual grains are still solid

C

Crushing is physical, and X has become a liquid

D

Crushing is chemical because each grain contains fewer particles than the original crystal

Markscheme

1.1 The particle model Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 The particle model

48 exam-style questions on OCR GCSE Chemistry 1.1 The particle model, covering 1.1.1 The particle model and changes of state and 1.1.2 Limitations of the particle model. Each one has a worked solution and a mark scheme showing where the marks go.

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