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.	Zeolites
C.	Sulphonates
D.	None of these
Answer» C. Sulphonates

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