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1 markNon-Metals

CSEC Chemistry · January 2016 · Paper 2 · Question 6(a)

Dry ammonia gas can be produced in a school laboratory.

Identify TWO reagents that are necessary for the laboratory production of ammonia.

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Other parts of this question

  1. 6(b)Explain why concentrated sulfuric acid is not used. Include in your answer a balanced chemical equation.[3 marks]
  2. 6(c)(i)What TWO factors should be considered when choosing an appropriate method for the collection of gases in the laboratory?[2 marks]
  3. 6(c)(ii)Identify ONE of the three methods that is best suited for the collection of ammonia gas in the laboratory. Explain why EACH of the other two methods would NOT…[5 marks]
  4. 6(d)Hence, draw a labelled diagram of the apparatus which could be used for the preparation of dry ammonia in the laboratory. Be sure to identify in your diagram…[4 marks]

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