Home
Class 11
CHEMISTRY
Which of the following ions will caus...

Which of the following ions will cause hardness in water sample?

A

`Ca^(2+)`

B

`Na^(+)`

C

`Cl^(-)`

D

`K^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A
Presence of calcium and magnesium salts in the form of hydrogencarbonate, chloride and sulphate in water makes water 'hard'.
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • HYDROGEN

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|9 Videos

  • HYDROCARBONS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

    NCERT FINGERTIPS|Exercise Assertion And Reason|12 Videos

Similar Questions

Explore conceptually related problems

Which of the following compound can cause hardness in water ?

Which of the following does not cause hardness of water ?

Which of the following substance produce hardness in water.

Which of the following ions are responsible for hardness of water?

Which of the following substances cause permanent hardness of water

When a sample of hard water is passed through the layer of sodium zeolite resulting which of the following ions will not be present in the resulting sample of water obtained?

Which of the following is/are hard water (s) ?

NCERT FINGERTIPS-HYDROGEN -NCERT Exemplar
  1. Hydrogen resembles halogens in many respects for which several fac...

    Text Solution

    |

  2. Why does H^(+) ion always get associated with atoms or molecules ...

    Text Solution

    |

  3. Metal hydrides are ionic, covalent or molecular in nature. Among LiH, ...

    Text Solution

    |

  4. Which of the following hydrides is electron-precise hydride ?

    Text Solution

    |

  5. Radioactive elements emit alpha, beta and gamma rays and are character...

    Text Solution

    |

  6. Cosider the reactions (i) H(2)O(2) + 2HI to I(2) + 2H(2)O (ii...

    Text Solution

    |

  7. The oxide that give H(2)O(2) on treatment with dilute H(2)SO(4) is

    Text Solution

    |

  8. Which of the following equations depict theoxidising nature of H(2)O(2...

    Text Solution

    |

  9. Which of the following equation depicts reducing nature of H(2)O(2)...

    Text Solution

    |

  10. Hydrogen peroxide is

    Text Solution

    |

  11. Which of the following reaction increases, production of dihydrogen fr...

    Text Solution

    |

  12. When sodium peroxide is trated with the dilute sulphuric acid, we...

    Text Solution

    |

  13. Hydrogen peroxide is obtained by the electrolysis of .

    Text Solution

    |

  14. Which of the following reactiona is an example of use of water gas...

    Text Solution

    |

  15. Which of the following ions will cause hardness in water sample?

    Text Solution

    |

  16. Which of the following compounds is used for water softening ?

    Text Solution

    |

  17. Elements of which of the following group(s) of periodic table do ...

    Text Solution

    |

  18. Only one element of forms hydrode.

    Text Solution

    |