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► MCQ Exam ON : Water Treatment

Which of the following substances are commonly used in a filter?

1)		Sand
2)		Charcoal
3)		Aluminum chloride
4)		Both ( and (
5)		NULL

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Important MCQ on Related Subject

📌	Which of the following physical method is used as germicidal in modern time for the treatment of drinking water?

📌	According to BIS the maximum permissible limit of dissolved solids in drinking water is

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📌	Which of the following substances are commonly used in a filter?

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