Home
Class 11
CHEMISTRY
Hardness of a water sample is 150 ppm. I...

Hardness of a water sample is 150 ppm. Its hardness is due to only calcium bicarbonate, the weight of calcium hydroxide that required to remove hardness of one litre of hard water is

A

243 mg

B

0.111 gm

C

74 gm

D

0.243 mg

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise EXERCISE ON PASSAGE|14 Videos

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise PROBLEMS|21 Videos

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2B|60 Videos

  • HYDROCARBONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE SHEET ( LEVEL-II (PRACTICE SHEET (ADVANCED) (MATRIX MATCHING TYPE QUESTIONS)))|5 Videos

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL -II PRACTICE SHEET (ADVANCED) (Integer Type Questions))|8 Videos

Similar Questions

Explore conceptually related problems

A sample of water contained 30ppm of MgSO_4 . Its hardness is

How is hardness of water estimated ?

Hardness of water is due to the presence of

Degree of hardness of a water sample is 100ppm. If that sample contains hardness causing salt Mg(HCO_3)_2 , calculate weight of Ca(OH)_2 required for the treatment of 10kg of water sample.

Degree of hardness of a water sample is 100ppm. 50 ml of standard soap solution is added to one kilogram of hard water sample. Calculate the degree of hardness of the resulting water sample. (one ml of soap solution is 0.001 g CaCO_3 ).

Why do soaps not work in hard water?

Permanent hardness of water is due to

AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 3
  1. 5 kg of water contain 24 mg of MgSO4 and 32.4 mg of Ca(HCO3)2 . The t...

    Text Solution

    |

  2. An MgCl2 aqueous solution is 10^(-3) molar. The hardness of water is

    Text Solution

    |

  3. Hardness of a water sample is 150 ppm. Its hardness is due to only cal...

    Text Solution

    |

  4. Last molecule of H(2)O is removed from H(2)O(2) by

    Text Solution

    |

  5. Electrolysis of X gives Y at anode. Vacuum distillation of Y gives H(2...

    Text Solution

    |

  6. The reaction of H2O2 with X does not liberate gaseous product. Which o...

    Text Solution

    |

  7. 6.8 gm of H2O2 is present in 500 ml of an aqueous solution. When 10 ml...

    Text Solution

    |

  8. The number of moles of H(2)O(2) needed to reduce 2 mole of KMnO(4) in ...

    Text Solution

    |

  9. Which of the following is not correct ?

    Text Solution

    |

  10. Which one of the following is reduced by H2O2 in basic medium

    Text Solution

    |

  11. The number of moles of electrons involved in the manufacture of 1 mole...

    Text Solution

    |

  12. The volume occupied by O2 gas at STP which is obtained by the decomp...

    Text Solution

    |

  13. The volume of perhydrol which on decomposition gives 2 lit ofO2 gas a...

    Text Solution

    |

  14. The weight of H2O2 present in 70 ml of 6% (w/v) H2O2 solution is

    Text Solution

    |

  15. 100cm^3 of a given sample of H2O2 gives 1000cm^3 of O2 at S.T.P. T...

    Text Solution

    |

  16. 10 ml of H2O2 solution on decomposition liberated 200ml of O2 at ST...

    Text Solution

    |

  17. Which one of the following reactions represents the oxidizing property...

    Text Solution

    |

  18. The pH of a solution of H2O2 is 6.0. Some chlorine gas is bubbled int...

    Text Solution

    |

  19. The volume strength of solution formed by mixing 1 lit 0.5 M H2O2 wit...

    Text Solution

    |

  20. Number of moles of O2 gas evolved by the decomposition of 1 lit of 1N...

    Text Solution

    |