Home
Class 14
GENERAL KNOWLEDGE
Which of the following ions are responsi...

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

A

Sodium and Magnesium

B

Calcium and Magnesium ions

C

Potassium and Calcium ions

D

Sodium and Calcium ions

Text Solution

Verified by Experts

The correct Answer is:
B
Calcium and Magnesium ions Explanation Hardness in water is generally caused by compounds of Calcium `(Ca^(2+))` and Magnesium `(Mg^(2+))`. Calcium is dissolved in water as it passes over and through limestone deposits. Magnesium is dissolved as water passes over and through dolomite and other magnesium bearing formations.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY

    PINNACLE|Exercise COMMON NAME |15 Videos

  • BIOLOGY

    PINNACLE|Exercise MISCELLANEOUS|44 Videos

  • CURRENT AFFAIRS

    PINNACLE|Exercise SCHEMES & PROJECTS|40 Videos

Similar Questions

Explore conceptually related problems

Which of the following is responsible for the permanent hardness of water?

Which one of the following is responsible for the sustenance of underground water?

Which one of the following is not responsible for water shortage?

Which of the following substances cause permanent hardness of water

PINNACLE-CHEMISTRY-MISCELLANEOUS
  1. Which of the following is a secondary pollutant?

    Text Solution

    |

  2. Which of the following elements is used in antiperspirant deodorant ?

    Text Solution

    |

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

    Text Solution

    |

  4. Which of the following is NOT a process of water cycle?

    Text Solution

    |

  5. What is the state of a matter called which is made after cooling a gas...

    Text Solution

    |

  6. Which state is necessary for rusting of iron ?

    Text Solution

    |

  7. What is deposited on iron in the process of galvanization?

    Text Solution

    |

  8. Rusting of iron is an example of

    Text Solution

    |

  9. gas gives an orange glow when electricity is passed through it. It is ...

    Text Solution

    |

  10. Salt is obtained from seawater by which process?

    Text Solution

    |

  11. What is the peculiarity of the compound Yttrium Barium Copper Oxide (Y...

    Text Solution

    |

  12. Which of the following is not a type of Combination Reaction?

    Text Solution

    |

  13. Which among the following elements has the highest density?

    Text Solution

    |

  14. Which among the following is a secondary pollutant?

    Text Solution

    |

  15. Rusting of iron is an example of

    Text Solution

    |

  16. After going through the processes of scouring and bleaching, 99% of co...

    Text Solution

    |

  17. is one of the liquids commonly used in liquid-in-glass thermometers.

    Text Solution

    |

  18. Which of the following fuels has calorific value equal to petrol?

    Text Solution

    |

  19. Sapphire and ruby are varieties of natural:

    Text Solution

    |

  20. Which among the following combinations is present in higher amount in ...

    Text Solution

    |