WAEC Chemistry 2021 Theory — Question 10
Question 10 of 31 from the West African Examinations Council (WAEC) Chemistry 2021 Theory paper, with the correct answer and a full explanation.
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1(j). State three significance of the pH value in everyday life.
Model answer
Any three of: determining pH of soil for agriculture; digestion of food; role in survival of animals/existence of living things; pH changes as a cause of tooth decay; treatment of water for public supply; treatment of industrial effluent/liquid waste; determining pH of body fluids (urine/blood) in medicine.
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