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Question 16 Which of the following compounds is used for water softening ? (a) Ca3(PO4)2 (b) Na3PO4 (c)Na6P6O18 (d) Na2HPO4

Answer»

Question 16

Which of the following compounds is used for water softening ?

(a) Ca3(PO4)2 (b) Na3PO4 (c)Na6P6O18 (d) Na2HPO4



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