In water treatment plant, zeolite process is used to remove the _____________ of water?
Correct answer: C. Hardness
- A. Acidity
- B. Alkalinity
- C. Hardness
- D. Iron & zinc
Explanation
The zeolite process exchanges sodium ions in the zeolite for calcium and magnesium ions in water, thereby reducing hardness. It does not primarily remove acidity, alkalinity or metals such as iron and zinc.
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