Home
Class 11
CHEMISTRY
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 cotionic species

D

precipitate cationic species

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • S BLOCK ELEMENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|32 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|50 Videos

Similar Questions

Explore conceptually related problems

Polyphosphates are used for softening agents because they

Calgon used as water softener is

Ca is the good reducing agent, because

Halogens are powerful oxidising agents because

MARVEL PUBLICATION-SOLID STATE -Multiple choice questions
  1. Which of the following is used as a moderator in nuclear reactors ?

    Text Solution

    |

  2. The reagent(s) used for softening the temporary hardness of water is (...

    Text Solution

    |

  3. Polyphosphates are used as water softening agents because they

    Text Solution

    |

  4. Which of the following molecules have practically the same mass ?

    Text Solution

    |

  5. Heavy water is

    Text Solution

    |

  6. The degree of hardness of water is usually expressed in terms of

    Text Solution

    |

  7. Explain why calcuim ion makes water hard, but sodium ion does not.

    Text Solution

    |

  8. When zeolite (hydrated sodium aluminium silicate) is treated with hard...

    Text Solution

    |

  9. The compound which cannot be oxidesed by H2O2 is

    Text Solution

    |

  10. When hydrogen peroxide is oxidised by a suitable oxidant one of the pr...

    Text Solution

    |

  11. Industrial preparation of H2O2 , involves auto oxidation of

    Text Solution

    |

  12. H(2)O(2) is always stored in black bottles because

    Text Solution

    |

  13. The compound useful for restoring aerobic conditions to sewage waste i...

    Text Solution

    |

  14. Hydrogen peroxide is not stored in glass bottle as

    Text Solution

    |

  15. Reaction of ethylene with H2O2 gives

    Text Solution

    |

  16. H2O2 is a good bleaching agent due to its

    Text Solution

    |

  17. Which one of the following compounds is a peroxide?

    Text Solution

    |

  18. Bond angles in H-O-O and H-O-H in H2 O2 and water respectively are

    Text Solution

    |

  19. Bleaching action of H(2)O(2) is due to its :

    Text Solution

    |

  20. When sodium peroxide is trated with the dilute sulphuric acid, we...

    Text Solution

    |