Home
Class 11
CHEMISTRY
What is permutit method, how can it be u...

What is permutit method, how can it be used for softening hard water?

Promotional Banner

Topper's Solved these Questions

  • SELF ASSESSMENT PAPER 03

    ICSE|Exercise Questions|69 Videos
  • SELF ASSESSMENT PAPER 05

    ICSE|Exercise QUESTIONS |37 Videos

Similar Questions

Explore conceptually related problems

Which of the following can be used for softening of hard water?

Chemical compound that can be used to soften hard water.

Grafting method can be used

Describe calgon process used for softening of hard water.

Name the sodium compound which is used for softening hard water.

What do you understand by softening of hard water?

Describe the permutit process used for water softening.

State one advantage of using hard water.

What is heavy water? Can it be used for drinking purposes?

Which chemical is used in softening of hard water by Clark's method?

ICSE-SELF ASSESSMENT PAPER 04-QUESTIONS
  1. Which of the following are not state functions ? Temperature, entrop...

    Text Solution

    |

  2. Give the formula of one species positively charged and one negatively ...

    Text Solution

    |

  3. What is permutit method, how can it be used for softening hard water?

    Text Solution

    |

  4. What is the necessary and sufficient condition for a molecule to be op...

    Text Solution

    |

  5. 0.76 g of a silver salt of a dibasic acid on ignition gave 0.54 g of s...

    Text Solution

    |

  6. 0.984 g of a chloroplatinate salt of a diacid base on ignition gave 0....

    Text Solution

    |

  7. Complete and balance the following equations: (i) Na(2)O(2)(s) + H(2...

    Text Solution

    |

  8. A sample of nitric acid is 55 per cent by mass. Calculate the mass of ...

    Text Solution

    |

  9. Write the IUPAC names of the following compounds: (i) CH(3)-overset(...

    Text Solution

    |

  10. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

    Text Solution

    |

  11. An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-on...

    Text Solution

    |

  12. What happens when an aqueous solution of potassium maleate is subject...

    Text Solution

    |

  13. If B–Cl bond has a dipole moment, explain why BCl(3) molecule has zer...

    Text Solution

    |

  14. What is bond order? How is it related to bond length and bond dissocia...

    Text Solution

    |

  15. Name the types of hybridisation which lead to the following geometries...

    Text Solution

    |

  16. 10.875 g of a mixture of NaCI and Na2CO3 was dissolved in water and th...

    Text Solution

    |

  17. 4 g of O2 and 2g of H2 are confined in a vessel of capacity 1 litre at...

    Text Solution

    |

  18. Give one reaction each to show that water can act as (i) an acid, ...

    Text Solution

    |

  19. Calculate the standard free energy change for the following reaction ...

    Text Solution

    |

  20. Establish a relationship between DeltaH and DeltaU. Under what conditi...

    Text Solution

    |