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1.1 The particle model

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Question 17

Molten tin is poured into a mould. As the tin cools it freezes, so it stops flowing and keeps the shape of the mould.

Here are four statements about the tin as it freezes.

Statement 1: Energy is transferred from the tin to its surroundings.

Statement 2: No new substance forms, so freezing is a physical change.

Statement 3: Once the tin is solid, its particles stop moving.

Statement 4: The tin particles shrink as the tin cools.

Which statements are correct?

[1]
A

1, 2 and 4 only

B

2, 3 and 4 only

C

1 and 3 only

D

1 and 2 only

Markscheme

1.1 The particle model Questions

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

93 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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