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WAEC Agricultural Science 2012 Question 6

Question 6

Soil Properties

A fresh soil sample of mass 180 g had a mass of 120 g after oven-drying. Determine the percentage water content of the soil.

  1. A.40.4%
  2. B.38.8%
  3. C.35.3%
  4. D.33.3%
Show the answer and explanation

Answer: D (33.3%)

Explanation

Water = 180 − 120 = 60 g; 60 ÷ 180 × 100 = 33.3% of the fresh soil.