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1 markNon-Metals

CSEC Chemistry · May/June 2018 · Paper 2 · Question 2(d)(ii)

Sulfur is an element that is bright yellow in colour, and burns in air to give an acidic gas with a choking smell.

State ONE use of sulfur.

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Other parts of this question

  1. 2(a)(i)Define 'isotopes'.[2 marks]
  2. 2(a)(ii)Hence, show by calculation that chlorine-35 and chlorine-37 are isotopes.[2 marks]
  3. 2(b)State TWO uses of radioisotopes.[2 marks]
  4. 2(c)(i)Write a balanced chemical IONIC equation for the reaction that is responsible for the colour change.[2 marks]
  5. 2(c)(ii)Describe the colour change that the student observed.[2 marks]
  6. 2(d)(i)Write a balanced chemical equation, with state symbols, for the burning of sulfur in air.[2 marks]
  7. 2(d)(iii)Write a balanced chemical equation, with state symbols, for the reaction of magnesium with sulfur.[2 marks]

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