Home
Class 12
CHEMISTRY
Addition of alum purifies water. Why?...

Addition of alum purifies water. Why?

Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|411 Videos

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise EXERCISE|102 Videos

Similar Questions

Explore conceptually related problems

Alum purifies muddy water by

How is alum purified ?

Addition of which element in water speeds up the metamorphosis in frog's tadpole larva?

Describe the ordinary chemical method to purify the water?

Addition of phosphates and nitrates rich fertilisers into water leads to

Blood may be purified by

Blood may be purified by

MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Addition of alum purifies water. Why?

    Text Solution

    |

  2. True or False : Physical adsorption increases with rise in temperature...

    Text Solution

    |

  3. True or False : Chemisorption is irreversible while physisorption is r...

    Text Solution

    |

  4. True or False : Selectivity is the ability of a catalyst to direct the...

    Text Solution

    |

  5. True or False : At low pressure, the extent of adsorption is directly ...

    Text Solution

    |

  6. True or False : Al(NO3)3 has higher coagulating power than MgSO4 for F...

    Text Solution

    |

  7. True or False : Gel is a system in which liquid is the dispersed phase...

    Text Solution

    |

  8. the protective power of the lyophilic colloids es expressed in terms o...

    Text Solution

    |

  9. True or False : Greater the flocculation value of an electrolyte, grea...

    Text Solution

    |

  10. True or False : Adsorption is always multimolecular.

    Text Solution

    |

  11. True or False : Colloidal sols are always heterogeneous.

    Text Solution

    |

  12. Complete the missing links : Milk is an example of............. in ......

    Text Solution

    |

  13. The phenomenon in which adsorption and absorption takes place simultan...

    Text Solution

    |

  14. The nature of forces involved in physical adsorption are ................

    Text Solution

    |

  15. The formation of micelles takes place above a particular temperature c...

    Text Solution

    |

  16. The movement of colloidal particles under the influence of an electric...

    Text Solution

    |

  17. The scattering of light by colloidal particles is called ........... .

    Text Solution

    |

  18. The swelling of gel in water is called ............. .

    Text Solution

    |

  19. ............. is the process of Separating the crystalloids from collo...

    Text Solution

    |

  20. Colloidal solution of gold in water is called ............... .

    Text Solution

    |

  21. In whipped cream, the dispersion medium is................ and dispers...

    Text Solution

    |