Permanent hardness of water, due to sulphates of the metal, can be des – McqOptions

MCQOPTIONS

1.	Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of ......
A.	Nitrates
B.	Sulphonates
C.	Zeolites
D.	None of these
Answer» D. None of these

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