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WAEC Agricultural Science 1999 Question 14

Question 14

Soil Fertility and Plant Nutrition

If urea fertilizer contains 46% nitrogen, calculate the amount of nitrogen in 25 kg bag of fertilizer?

  1. A.11.5 kg
  2. B.13.5 kg
  3. C.21.5 kg
  4. D.36.5 kg.
Show the answer and explanation

Answer: A (11.5 kg)

Explanation

46% of 25 kg = 11.5 kg.