Assertion : Demineralised water does not contain any ions. Reason : Permutit process for water softening gives demineralised water.
Hardness OF Water|| Reason OF Hardness||Types OF Hardness|| Methods OF Removal OF Hardness|| Temporary Boiling|| Clark's Process||Permanent Hardness Methods|| Washing Soda|| Permutit Calgon||Ion Exchange Resin|| Heavy Water||Preparation|| Properties
