Chemistry
Which of the following can be used to remove the permanent hardness in water that results from calcium or magnesium sulphates?
[A]Sulphonate method
[B]Nitrate method
[C]Zeolite method
[D]None of these
[A]Sulphonate method
[B]Nitrate method
[C]Zeolite method
[D]None of these
C. Zeolite method