Home
Class 11
CHEMISTRY
1000g of a water sample contained a calc...

1000g of a water sample contained a calcium salt equivalent to 18 of `CaSO_(4)` The hardness of that water sample is

A

100 ppm

B

500 ppm

C

1000 ppm

D

220,000 ppm

Text Solution

Verified by Experts

The correct Answer is:
C

Hardness `=("solute weight")/("solution weight")xx10^(6)`
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-II (More than one correct answer Type Questions)|5 Videos
  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-II (Linked Comprehension Type Questions Passage-I)|2 Videos
  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) (LEVEL-I (MAIN) Straight Objective Type Questions )|10 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

1000g of a water sample contained a calcium salt equivalent to 1g of CaCO_3 . The hardness of that water sample is

pH of a water sample is tested with

Which water sample is colourless?

5 kg of water contain 24 mg of MgSO_4 and 32.4 mg of Ca(HCO_3)_2 . The total hardness of water is

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 ).

The purest sample of water, is____

A hard water sample contains magnesium bicarbonate only. 100 ml of the hard water sample requires 10 ml. of standard soap solution (1 ml soap solution = 1 mg CaCO_3 ) to get good lather. Find out of the weight of Ca(OH_2) to be added to 10 Kg water sample to make it soft water.

50 ml of water sample requires 6 ml of soap solution to produce a good lather. 1 ml of soap solution is equal to 0.001 g of CaCO_3 . Then the degree of hardness of water is

A hard water sample contains dissolved Mg(HCO_3)_2 only. If degree of hardness of that sample is 150ppm, calculate the weight of Mg(HCO_3)_2 present in 1kg of water sample.

AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-PRACTICE SHEET (EXERCISE-I) (LEVEL-II (ADVANCED) Straight Objective Type Questions )
  1. Decomposition of H(2)O(2) in accompained by

    Text Solution

    |

  2. Different samples of water containing each 100 ppm of CaCl(2),MgSO(4),...

    Text Solution

    |

  3. 1000g of a water sample contained a calcium salt equivalent to 18 of C...

    Text Solution

    |

  4. 12 ml of saturated solution .001gr of CaCO(3) were required in the ti...

    Text Solution

    |

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

    Text Solution

    |

  6. Which hydride is called alante?

    Text Solution

    |

  7. Specific test for the detection of H(2)O(2) is

    Text Solution

    |

  8. The structure of H(2)O(2) is

    Text Solution

    |

  9. Which oxide cannot be reduced by H(2)?

    Text Solution

    |

  10. Ortho- and par - hydrogen differ in

    Text Solution

    |

  11. .4 sample of H(2)O(2) solution containing H(2)O(2) by weight requires ...

    Text Solution

    |

  12. 100mL of om at STP was passed through 100 ml of 10 volume H(2)O(2)solu...

    Text Solution

    |

  13. In the preparation of H(2)O(2) from Na(2)O(2) with ice cold sulphuric ...

    Text Solution

    |

  14. The percentage weight of hydrogen in H(2)O(2)

    Text Solution

    |

  15. When treated with H(2)O(2) aqueous KMnO(4) in acidic medium gives fina...

    Text Solution

    |

  16. A mixture of hydrazine and H(2)O(2) is

    Text Solution

    |

  17. Consider the following statements (I) Atomic hydrogen is obtained by...

    Text Solution

    |

  18. Which of the following metals will give H(2) on reaction with NaOH?

    Text Solution

    |

  19. In the reaction, H(2)S+H(2)O(2) to S+2H(2)O:

    Text Solution

    |

  20. Permanent hardness of water arises due to the presence of

    Text Solution

    |