Percentage of N in Ammonium sulphate fertilizer is___________________?
Correct answer: D. 21State & Local Government
- A. 23
- B. 35
- C. 45
- D. 21State & Local Government
Explanation
Ammonium sulphate, (NH₄)₂SO₄, contains about 21% nitrogen by mass, with the remainder mainly sulphur and oxygen. The 21% grade distinguishes it from high-nitrogen fertilizers such as urea.
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