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4 Cards in this Set
- Front
- Back
There are direct adverse health effects from drinking either iron or manganese. |
False |
|
Iron and manganese are least frequently found in water systems supplied by wells and springs. |
False |
|
Chlorine should never be fed ahead of polyphosphate to oxidize iron and manganese. |
True |
|
If the water to be treated contains no oxygen, both iron and manganese may be removed by ion exchange using the same resins that are used for water softening. |
True |