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1.1 The particle model

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Question 20

A student stirs sugar into a glass of water until no sugar can be seen. The student says that a chemical change has happened because the sugar has disappeared.

Which statement explains why the student is wrong?

[1]
A

The sugar particles are still sugar particles, now spread out among the water particles

B

The sugar particles are hidden in the air that fills the gaps between water particles

C

The sugar particles have shrunk until each one is far too small to be seen

D

The sugar particles have melted into liquid sugar that mixes in with the water

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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