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2 marksStates of Matter

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

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

Apart from diffusion, identify ONE process that supports the particulate theory of matter and state ONE example of such a process.

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Other parts of this question

  1. 2(a)(i)Define the term 'diffusion'.[2 marks]
  2. 2(a)(ii)Explain how the diffusion of the scent of the curry supports the particulate theory of matter.[2 marks]
  3. 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]
  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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