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Polyhosphates are used as water softeni...

Polyhosphates 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

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The correct Answer is:
C
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MODERN PUBLICATION-UNIT TEST - 3-MULTIPLE CHOICE QUESTIONS
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  3. Polyhosphates are used as water softening agents because they

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  4. Which one of the following processes will pro duce hard water

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  5. The oxide which gives H(2)O(2) on treatment with dilute acid is

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  6. The structure of H(2)O(2) is

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  9. Magnesium is present in :

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  10. Lithium shows diagonal relationship with

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  11. Slaked lime reacts with chlorine to give :

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  12. Which of the following alkaline earth metal ion has lowest ionic mobil...

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  13. Which of the following is most basic ?

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  14. Which of the following has largest solubility in water ?

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  15. The stability of the following alkali metal chlorides follows the orde...

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  16. The following compounds have been arranged in order of their increasin...

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  17. Among the alkaline earth metals, the element forming predominantly cov...

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