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1 markFood and Nutrition

CSEC Integrated Science · May/June 2014 · Paper 2 · Question 2(b)(i)

Give ONE example of an acid used in the digestive system.

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Other parts of this question

  1. 2(a)(i)State TWO properties of acids.[2 marks]
  2. 2(a)(ii)State TWO properties of bases.[2 marks]
  3. 2(b)(ii)Give ONE example of a base used in the digestive system.[1 mark]
  4. 2(c)(i)State what the term pH means.[1 mark]
  5. 2(c)(ii)Identify which substance in Table 2 is NOT an acid.[1 mark]
  6. 2(c)(iii)Identify which of the two acids in Table 2 is stronger.[1 mark]
  7. 2(d)(i)Give TWO reasons why bleach is NOT the most appropriate substance to remove the paint.[2 marks]
  8. 2(d)(ii)Suggest a suitable method to remove the paint from her dress and explain how this method works.[2 marks]
  9. 2(e)State TWO safety precautions to follow when using the paint removal method suggested in (d)(ii).[2 marks]

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