Home
Class 12
CHEMISTRY
Select the correct statement(s):...

Select the correct statement(s):

A

(a) `CaCO_3` is more soluble in a solution of `CO_2` than in `H_2O`

B

(b) `Na_2CO_3` is converted to `Na_2O` and `CO_2` on heating

C

(c) `Li_2CO_3` is thermally unstable.

D

(d) Presence of `CaCl_2` or `CaSO_4` in water causes temporary hardness.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|54 Videos
  • HALOALKANES AND HALOARENES

    PATHFINDER|Exercise QUESTION BANK|222 Videos
PATHFINDER-FG-1 (ALCOHOLS, PHENOLS & ETHERS)-QUESTION BANK
  1. Convert ethanol to but-1-yne.

    Text Solution

    |

  2. Equimolar quantities of ethanol and methanol are heated with concH2SO4...

    Text Solution

    |

  3. Select the correct statement(s):

    Text Solution

    |

  4. When methyl t-butyl ether is formed ?

    Text Solution

    |

  5. Which of the following statement(s) is/are correct?

    Text Solution

    |

  6. Diethyl ether on heating with conc. HI gives two moles of

    Text Solution

    |

  7. tert-butyl methyl ether on heating with HI (1 mol) gives a mixture of

    Text Solution

    |

  8. The product of the above reaction is

    Text Solution

    |

  9. THF is treated with excess of HBr at 373 K.The product is

    Text Solution

    |

  10. Select the correct choice for alkali metal oxides:

    Text Solution

    |

  11. The products formed when (CH3)3COC2H5 is treated with HI

    Text Solution

    |

  12. Phenyl isocyanides are prepared by which of the following methods?

    Text Solution

    |

  13. Aniline is reacted with bromine water and the resulting product is tre...

    Text Solution

    |

  14. 0.36 g of an alcohol R-OH was added ot CH3MgBr and the gas evolved mea...

    Text Solution

    |

  15. 10 g of a mixture of hexane and ethanol are reacted with sodium to giv...

    Text Solution

    |

  16. For carbylamine reaction, we need hot alcoholic KOH and:

    Text Solution

    |

  17. Compound ( C) is

    Text Solution

    |

  18. A compound with molecular formula C4H10 O3 is converted by the action ...

    Text Solution

    |

  19. The electrolytic reduction of nitrobenzene in strongly acidic medium p...

    Text Solution

    |

  20. Identify compounds (A)& (F) in the following sequence of reactions.

    Text Solution

    |