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2 marksStates of Matter

CSEC Chemistry · May/June 2009 · Paper 2 · Question 2(a)(ii)

Transitions between the three states of matter can be efficiently illustrated using water. Consider the information in Figure 3.

Which of the two temperatures, (A) and (B) in Figure 3 represents melting point? boiling point?

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Other parts of this question

  1. 2(a)(i)Name the THREE states of matter.[1 mark]
  2. 2(a)(iii)What would be observed at (C) in Figure 3?[1 mark]
  3. 2(a)(iv)Name the process which occurs when the following conversions take place. Water vapour → water Iodine (s) → iodine (g)[2 marks]
  4. 2(b)(i)Explain what is meant by the term 'allotrope'.[1 mark]
  5. 2(b)(ii)Which of the two allotropes of carbon, diamond or graphite, conducts electricity? Explain your answer in terms of the structure and bonding of the two…[2 marks]
  6. 2(c)(i)Name ONE natural source of hydrocarbons.[1 mark]
  7. 2(c)(ii)Define the term 'structural isomerism'.[1 mark]
  8. 2(c)(iii)In the space provided below draw fully displayed structures of TWO isomers of a hydrocarbon with four carbon atoms. Name the TWO isomers.[4 marks]

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