Fertilisers are used to provide the three elements needed for improved plant growth. Which two compounds would provide all three of these elements?
A.
ammonium nitrate and calcium phosphate
B.
ammonium nitrate and potassium sulfate
C.
potassium nitrate and calcium phosphate
D.
potassium phosphate and potassium sulfate
Exam No：0620_s25_qp_11 Year：2025 Question No：30
Answer:
C
Knowledge points:
2.1.1. Describe the differences between elements, compounds and mixtures
Solution:
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