Home PYQs UPPSC UPPSC MCQs Prelims 1996 (GS Paper I)

Question

Which one of the following fertilizers leaves maximum acidity in the soil?

  1. Urea
  2. Ammonium Sulphate
  3. Ammonium Nitrate
  4. Calcium Ammonium Nitrate

Answer:

Option B: Ammonium Sulphate

Detailed Solution:

The correct answer is “Ammonium Sulphate”.

Ammonium sulfate is the most acidifying of the nitrogen fertilizers listed.