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2 marksStates of Matter

CSEC Chemistry · January 2019 · Paper 2 · Question 2(a)(i)

Jamelia is in her room studying and smells curry from the kitchen, recognizing it as diffusion.

Define the term 'diffusion'.

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Other parts of this question

  1. 2(a)(ii)Explain how the diffusion of the scent of the curry supports the particulate theory of matter.[2 marks]
  2. 2(a)(iii)Diffusion is a process that can also occur in liquids. State how the arrangement of particles in a liquid differs from that in a solid and a gas.[3 marks]
  3. 2(a)(iv)Apart from diffusion, identify ONE process that supports the particulate theory of matter and state ONE example of such a process.[2 marks]
  4. 2(b)(i)State whether the mixture of curry powder and water is a suspension or colloid.[1 mark]
  5. 2(b)(ii)State the MOST appropriate technique that could be used in a school laboratory to separate this mixture.[1 mark]
  6. 2(b)(iii)Draw a clearly labelled diagram of the apparatus that could be set up in the school laboratory to separate the mixture of curry powder and water. In your…[4 marks]

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