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3 marksNon-Metals

CSEC Chemistry · January 2017 · Paper 2 · Question 5(b)(i)

Draw a labelled diagram to show the apparatus used for the laboratory preparation of ammonia gas.

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Other parts of this question

  1. 5(a)State TWO physical properties of ammonia gas.[2 marks]
  2. 5(b)(ii)Write a balanced chemical equation for the reaction taking place in the laboratory preparation of ammonia gas.[2 marks]
  3. 5(b)(iii)Explain why concentrated sulfuric acid, a typical drying agent, CANNOT be used in this preparation and identify an appropriate alternative drying agent that…[3 marks]
  4. 5(c)Briefly describe a laboratory test for ammonia gas.[2 marks]
  5. 5(d)List THREE harmful effects of excessive nitrates in the environment.[3 marks]

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