Which one of the following is correct? lead in water is not a problem unless concentration exceeds 50 milligrams/liter. lead in water can be eliminated by ozonolysis. arsenic can cause "blue baby syndrome". nitrites displace oxygen from hemoglobin. nitrates are a common contaminant in tap water.

When dangerous materials or pollutants get into the water supply the water becomes unfit for…

Answered: Which one of the following is correct? lead in water is not a problem unless concentration exceeds 50 milligrams/liter. lead in water can be eliminated by…

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