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Question
The clean water should have BOD value:
The clean water should have BOD value:
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Solution
The correct option is B less than 5 PPM
A water supply with a BOD level of 3-5 ppm is considered moderately
clean. In water with a BOD level of 6-9 ppm, the water is considered somewhat
polluted because there is usually organic matter present and bacteria are
decomposing this waste.
A water supply with a BOD level of 3-5 ppm is considered moderately clean. In water with a BOD level of 6-9 ppm, the water is considered somewhat polluted because there is usually organic matter present and bacteria are decomposing this waste.
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