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1.1 The particle model

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Question 18
F

A student says:

"If bubbles form or the colour changes, a chemical change must have happened."

Which observation shows that the student is wrong?

[1]
A

Magnesium ribbon fizzes when it is added to hydrochloric acid.

B

Grey-black solid iodine forms a purple vapour when it is warmed.

C

Green copper carbonate turns black when it is heated.

D

Iron turns orange-brown when it is left in damp air.

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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