Why are disinfection by-products a health concern?
A) they are toxic
B) they are electrically charged
C) they are suspected carcinogens
D) they cut the oxygen level in the water
Correct Answer:
Verified
Q21: Nitrate ions in waste water can be
Q23: Which type of disposal of hazardous waste
Q25: The disinfectant widely used in Europe to
Q29: How much heat is required to
Q29: Hard water is caused by
A) Na+ and
Q30: How much heat is released when
Q31: What substances are used to disinfect water?
A)
Q33: What physical state is water found under
Q33: How much heat is required to convert
Q34: Identify the exothermic process
A) wood burning
B)
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