Subsection 10.2. Fertilisers for Chemistry, O Level - revisedeck

10.2. Fertilisers

A subsection of Chemistry, 5070, through 10. Chemistry of the environment

Listing 10 of 25 questions

Some compounds containing nitrogen are used as fertilisers. The table shows some nitrogen-containing compounds, whether they are used as a fertiliser or not and a reason for this. Which row is correct?

5070_w20_qp_11

MCQ

2020

Paper 1, Variant 1

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Some compounds that can be used as fertilisers are listed. ● ammonium nitrate ● potassium nitrate ● potassium phosphate ● sodium phosphate Three of the elements required for plant growth have the atomic symbols N, P and K. How many of these three elements are present in each of the compounds?

5070_w23_qp_12

MCQ

2023

Paper 1, Variant 2

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Sodium phosphate, Na3PO4, and ammonium nitrate, NH4NO3, are both used as fertilisers. Which row shows the correct percentage by mass of the element in each compound that improves plant growth?

5070_w24_qp_11

MCQ

2024

Paper 1, Variant 1

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Which fertiliser contains the highest percentage by mass of nitrogen?

5070_w24_qp_12

MCQ

2024

Paper 1, Variant 2

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Which row describes an advantage and a disadvantage of fertilisers?

5070_w24_qp_12

MCQ

2024

Paper 1, Variant 2

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Questions Discovered

25