Hard water which do not produce good letter is called as

temporary hard water contents impurity of

Temporary hardness of water can be removed by only

Permanent hardness of water cannot be removed by only

Permanent hard water contain impurity of

In soda lime process lime use having chemical formula

Softened water of obtained by process of hot lime soda continuous process having hardness

Ion exchange process cation exchange resin are used to soften of water

Softened water obtained by processing of gold lime soda continuous process having hardness

The floating material present in water is removed by

Bleaching powder requires for sterilization of 100liters of water

The liquid flowing in ditch is known as

Unit of BOD

Chloramine is added for sterilization of water by combining chlorine and ammonia in the ratio

During ozonisation i sterilization of water ozone decomposes to form

The liquid flowing in ditch is known as

In BOD bacteria consumes the gas

The reverse osmosis there is solvent flow in the direction

Fresh Swag may become state in