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Q. |
The hardness in the ion exchange process is reduced to |
A. | 0-1ppm |
B. | 0-2ppm |
C. | 0-3ppm |
D. | 0-4ppm |
Answer» B. 0-2ppm | |
Explanation: the hardness of the ion exchange process is reduced to 0 to 2ppm. it |
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