Home
Class 9
CHEMISTRY
Bleaching powder is used as for purifica...

Bleaching powder is used as for purification of water.
a) Why is bleaching powder used for such puposes?
b) How is bleaching powder made?

Text Solution

Verified by Experts

a) Bleaching powder is a disinfectant. It liberates chlorine atoms when it reacts with water.
b) By passing dry chlorine gas over dry slaked lime.
Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER AND ANSWERS

    V PUBLICATION|Exercise QUESTION BANK|20 Videos

  • PERIODIC TABLE

    V PUBLICATION|Exercise QUESTION BANK|61 Videos

Similar Questions

Explore conceptually related problems

How is bleaching powder prepared?

What is the formula of bleaching powder?

The composition of bleaching powder Ca(OCI)_2 . Give one method for the preparation of bleaching powder.

The oxidation mumbers of chlorine atoms in bleaching powder is _____

H_2O_2 is a bleaching agtent. Why?

V PUBLICATION-NON - METALS-QUESTION BANK
  1. a)Some chemicals are given in the box .find out the substances require...

    Text Solution

    |

  2. If hydrogen is used as a fuel, environmental pollution can be overcome...

    Text Solution

    |

  3. Bleaching powder is used as for purification of water. a) Why is ble...

    Text Solution

    |

  4. a) Which are the reactants used in the preparation of hydrogen in labo...

    Text Solution

    |

  5. Mention two advantages of organic fertilisers.

    Text Solution

    |

  6. The molecules of hydrogen and oxygen combined to form the new substanc...

    Text Solution

    |

  7. In the laboratory preparation of chlorine , a) Why chlorine gas is pa...

    Text Solution

    |

  8. Oxygen is prepare by heating of potassium permagnate. a) Write the c...

    Text Solution

    |

  9. O, O2, O3 Various forms of oxygen are given above. a) Which among ...

    Text Solution

    |

  10. Take a small quantity of sulphur in a spatula and burn it. a) Which s...

    Text Solution

    |

  11. A product of industrial importance is prepared by passing a gas with g...

    Text Solution

    |

  12. When potassium permaganate is heated strongly, oxygen gas is liberated...

    Text Solution

    |

  13. Ozone layer ensures the protection of living beings from dangerous ult...

    Text Solution

    |

  14. a) Which are the chemicals required for the preparation of chlorine in...

    Text Solution

    |

  15. The element is essential for the growth of plants. a) Suggest any tw...

    Text Solution

    |

  16. a) It is said that lightning is a blessing for plants. What could be t...

    Text Solution

    |

  17. Find the gases for which the following statements are related: a) Bur...

    Text Solution

    |

  18. Given below are certain uses of chlorine, oxygen, nitrogen and hydroge...

    Text Solution

    |

  19. Classify the following reactions into combination,displacement,decom...

    Text Solution

    |

  20. Excess use of C.F.C causes depletion of ozone layer. a) What is C.F....

    Text Solution

    |