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WAEC Agricultural Science 2019 Question 14

Question 14

Soil Properties

A fresh garden soil sample weighed 25 kg. When oven-dried, its weight reduced to 20 kg. Calculate the percentage moisture content of the soil sample.

  1. A.5.0%
  2. B.12.5%
  3. C.20.0%
  4. D.25.0%
Show the answer and explanation

Answer: C (20.0%)

Explanation

Water = 25 − 20 = 5 kg; 5 ÷ 25 × 100 = 20%.