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WAEC Agricultural Science 2024 Question 10

Question 10

Soil Properties

The ash produced after burning crop residues would

  1. A.decrease soil acidity.
  2. B.increase soil acidity.
  3. C.decrease alkalinity.
  4. D.render the pH unchanged.
Show the answer and explanation

Answer: A (decrease soil acidity.)

Explanation

Ash is rich in bases (potash, lime), which neutralise acidity.