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1.1 The particle model

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Question 17
F

A candle is lit. Some observations are listed.

Observation 1: Solid wax near the flame melts.

Observation 2: Liquid wax in the wick turns into wax vapour.

Observation 3: Carbon dioxide and water vapour are produced at the flame.

Observation 4: Liquid wax that drips down the side of the candle becomes solid again.

Which observations are physical changes?

[1]
A

1, 2 and 4 only

B

1 and 4 only

C

3 only

D

2 and 3 only

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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