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Polyphosphates are used as water softeni...

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

Text Solution

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The correct Answer is:
C
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RESONANCE-NITROGEN & OXYGEN FAMILY-Exercise 3 (Part-I: JEE Advanced)
  1. Ammonia can be dried by :

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  2. Give reason, why elemental nitrogen exists as a diatomic molecule, whe...

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  3. Polyphosphates are used as water softening agents because they

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  4. For H(3)PO(3) and H(3)PO(4) the correct choice is

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  5. (NH(4))(2)Cr(2)O(7) on heating gives a gas which is also given by :

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  6. A pale bule liquid is obtained by equuimolar mixture of two gases at -...

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  7. Thermodynamically most stable allotrope of phosphorus is :

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  8. (a) What amount of CaO in grams is required to neutralise 852g of P(4)...

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  9. There are some deposits of nitrated and phosphates in the earth's crus...

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  10. There are some deposits of nitrated and phosphates in the earth's crus...

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  11. There are some deposits of nitrates and phosphates in the earth's crus...

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  12. The reaction of P(4) with X leads selectively to P(4)O(6) The X is :

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  13. Match each of the reaction given in Column I with the corresponding pr...

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  14. Extra pure N2 can be obtained by heating

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  15. Among the following, the number of compounds that can react with PCl(5...

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  16. Which ordering of compounds is according to the decreasing order of th...

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  17. Concentrated nitric acid upon long standing turns yellowish-brown due ...

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  18. The pair(s) of reagents that yield paramagnetic species is/are

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  19. The product formed in the reaction of SOCl2 (thionyl chloride) with wh...

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  20. The compound (s) which generate (s) N(2) upon thermal decomposation is...

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