Polyphosphates are used as water softening agents because they – McqOptions

MCQOPTIONS

1.	Polyphosphates are used as water softening agents because they
A.	form soluble complexes with anionic species
B.	precipitate anionic species
C.	form soluble complexes with cationic species
D.	precipitate cationic species
Answer» D. precipitate cationic species

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