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5894. The most commonly used chemical coagulant in water treatment is

September 7, 2025 by Admin

Ferrous sulphate

Alum

Lime

Hydrazine

✅ The correct answer is option B.

Categories Chemical Engineering, Engineering, Environmental Engineering MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Enviornmental Engineering MCQs

5892. Green house effect is accentuated by

5896. Which of the following is not a natural source of air pollution?

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