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GRADE 4 WATER TREATMENT PREP EXAM WITH ALL QUESTIONS | ALREADY GRADED
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81

March 2026

2025/2026

A+
Why is carbon dioxide primarily used in the stabilization process? a.) Decrease pH b.) Increase pH c.) Tie up scale forming ions d.) Form a protective coating - answer-A If fluoride is fed ahead of filtration what can occur? a.) Some fluoride loss b.) Problems with disinfection c.) Increases in fluoride concentration d.) Formation of precipitate - answer-A In a pumping station where two complete pumping units are provided, how much should a pump be capable of deliveri...
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