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Chemistry
Hydrogen
CBSE
Class 11
Chemistry
Class 11 - Chemistry
Hydrogen
MCQ
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1.
Calgon, which is used as a water softener, has the formula
a.
Na4 [Na2(PO3)6]
b.
Na2 [Na4 (PO3)6]
c.
Na2 [Na4 (PO4)5]
d.
Na2 [Na2 (PO4)6]
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