O-LevelChemistryStoichiometry5070/12 · Oct/Nov 2023 · Q311 Mark
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?
A1, 1, 1, 2
B1, 2, 2, 1
C2, 1, 1, 2
D2, 2, 2, 1
✓ Correct answer
B: 1, 2, 2, 1
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