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Water Treatment

Q1:

Zeolite softening process removes

A only temporary hardness of water

B only permanent hardness of water

C both temporary and permanent hardness of water

D the dissolved gases in permanent hard water

ANS:C - both temporary and permanent hardness of water

The temporary hardness causing salts may affect caustic embrittlement because Na+ from zeolite react with bicarbonate forms sodium bicarbonate on heating produce sodium hydroxide and causes the corrosion problem.



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