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- Permanent hardness in water cannot be cured by:Option: 1 BoilingOption: 2 Ion exchang
- #Karnataka Common Entrance Test
- #Chemistry
- #Class 11
- #Hydrogen
- #Engineering
- #Joint Entrance Examination Main
Permanent hardness in water cannot be cured by:
Option: 1
Boiling
Option: 2
Ion exchange method
Option: 3
Calgon's method
Option: 4
Treatment with washing soda
Answers (1)
As we have learnt,
The hardness of water cannot be cured simply by boiling. It needs extra treatment for purification like Calgon's method.
Therefore, Option(1) is correct
View full answer
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