A phosphatic fertiliser contains 16% P2O5. It could be________________?
Correct answer: B. Superphosphate
- A. Dicalcium phosphate
- B. Superphosphate
- C. Triple superphosphate
- D. None of these
Explanation
Ordinary superphosphate commonly contains about 16–20% available P2O5, whereas dicalcium phosphate and triple superphosphate have substantially higher concentrations. Therefore, 16% P2O5 identifies superphosphate.
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