Class 11 Chemistry Hydrogen Water or hydride of oxygen

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Which one of the following is not a method to remove permanent hardness of water?

TS EAMCET 2015 All TS EAMCET

A
Clark's method
B
Calgon's method
C
Ion-exchange method
D
Synthetic resins method

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Hydrogen

Subtopic

Water or hydride of oxygen

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