BIOLOGY IN HUMAN WELFARE
MICROBES IN HUMAN WELFARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the first step in the water treatment process?
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coagulation
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filtration and removal of debris, sand, grit, etc.
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flocs
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concentation
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Explanation:
Detailed explanation-1: -Coagulation. Coagulation is often the first step in water treatment. During coagulation, chemicals with a positive charge are added to the water. The positive charge neutralizes the negative charge of dirt and other dissolved particles in the water.
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