The fertiliser ammonium nitrate (NH4NO3, Mr = 80) is manufactured from ammonia (NH3, Mr = 17) by a two-stage process. Stage 1 NH3 + 2O2 → HNO3 + H2O Stage 2 HNO3 + NH3 → NH4NO3 What is the maximum mass of fertiliser that can be made if only 17 tonnes of ammonia is available?

5070_w08_qp_1

MCQ

2008

Paper 1, Variant 0

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Ammonium sulphate is an important fertiliser. During which stage in the manufacture of ammonium sulphate does a neutralisation reaction occur?

5070_w08_qp_1

MCQ

2008

Paper 1, Variant 0

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Ammonium sulfate and potassium sulfate are salts which can be found in fertilisers. A sample of a fertiliser is warmed with aqueous sodium hydroxide and a gas with pH10 is given off. Which salt must be in the fertiliser and which gas is given off?

5070_w11_qp_11

MCQ

2011

Paper 1, Variant 1

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Ammonium sulfate and potassium sulfate are salts which can be found in fertilisers. A sample of a fertiliser is warmed with aqueous sodium hydroxide and a gas with pH10 is given off. Which salt must be in the fertiliser and which gas is given off?

5070_w11_qp_12

MCQ

2011

Paper 1, Variant 2

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Which statements about fertilisers containing nitrates are correct?

5070_w14_qp_12

MCQ

2014

Paper 1, Variant 2

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Ammonium nitrate, NH4NO3, is an artificial fertiliser produced from ammonia. What is an advantage of using ammonium nitrate as a fertiliser?

5070_w15_qp_11

MCQ

2015

Paper 1, Variant 1

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Which compound is used as a fertiliser?

5070_w16_qp_11

MCQ

2016

Paper 1, Variant 1

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Three suggested uses of sulfuric acid are listed. as battery acid to make ammonia from ammonium salts to make fertilisers Which are correct uses of sulfuric acid?

5070_w17_qp_11

MCQ

2017

Paper 1, Variant 1

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Which fertiliser contains the highest percentage of nitrogen by mass?

5070_w18_qp_12

MCQ

2018

Paper 1, Variant 2

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Which statement gives reasons why ammonium sulfate can be used as a fertiliser?

5070_w19_qp_11

MCQ

2019

Paper 1, Variant 1

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