Home
Class 11
CHEMISTRY
Some large white transparent crystals ar...

Some large white transparent crystals are left out in a bowl for several days. They are then observed to have changed their form into white powder. The crystals may have been of:

A

ammonium chloride

B

sodium chloride

C

sodium carbonate

D

calcium oxide

Text Solution

Verified by Experts

The correct Answer is:
C
`Na_2CO_3. 10 H_2O` on standing in air effloresces and crumbles to powder.
Promotional Banner

Topper's Solved these Questions

  • S-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|20 Videos

  • S-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Single Correct Answer Type)|8 Videos

  • S-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-I|100 Videos

  • REDOX REACTIONS

    BRILLIANT PUBLICATION|Exercise LEVEL -III|50 Videos

  • SOME BASIC CONCAPTS OF CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type)|6 Videos

Similar Questions

Explore conceptually related problems

A metal complex having the composition Cr(NH_3)_4Cl_2 Br has been isolated in two forms A and B. The form A reacts with AgNO_3 to give a white precipitate readily soluble in dilute aqueous ammonia whereas B gives a pale yellow precipitate soluble in concentrated ammonia. The hybridization of Cr in the complexes A and B, respectively, is

A metal complex having the composition Cr(NH_3)_4Cl_2 Br has been isolated in two forms A and B. The form A reacts with AgNO_3 to give a white precipitate readily soluble in dilute aqueous ammonia whereas B gives a pale yellow precipitate soluble in concentrated ammonia. The oxidation state of Cr in complex A is

A metal complex having composition Cr(NH_3)_4 Cl_2 Br has been isolated in two forms A and B . The form A reacts with AgNO_3 to give a white precipitate readily soluble in dilute aqueous ammonia, whereas B gives a pale yellow precipitate soluble in concentrațed ammonia. Write the formula,of A and B

BRILLIANT PUBLICATION-S-BLOCK ELEMENTS-LEVEL-II
  1. Sodium sulphate is soluble in water whereas barium sulphate is sparing...

    Text Solution

    |

  2. Sodium chloride imparts a golden yellow colour to the Bunsen flame. Th...

    Text Solution

    |

  3. Some large white transparent crystals are left out in a bowl for sever...

    Text Solution

    |

  4. A and B are two salts. A with dilute HCl and B with conc. H2SO4 react ...

    Text Solution

    |

  5. Na2CO3 can be manufactured by Solvay process but K2CO3 cannot be prepa...

    Text Solution

    |

  6. Soda lime is

    Text Solution

    |

  7. Sodium peroxide which is a yellow solid , when exposed to air bec...

    Text Solution

    |

  8. A piece of magnesium ribbon was heated to redness in an atmosphere of ...

    Text Solution

    |

  9. Gypsum is added to clinker during cement manufacture to:

    Text Solution

    |

  10. Magnesium forms Mg^(2+) and not Mg^(+) because:

    Text Solution

    |

  11. A chloride dissolves appreciably in cold water. When placed on a plati...

    Text Solution

    |

  12. Limestone is not used in which of the following manufacturing processe...

    Text Solution

    |

  13. Which category of salts of alkaline earth metals is not found in solid...

    Text Solution

    |

  14. A metal M readily forms sulphate MSO4 which is water soluble. It forms...

    Text Solution

    |

  15. Sodium is heated in air at 350^@C to form X. X absorbs CO2 and forms s...

    Text Solution

    |

  16. On heating a mixture containing 1 mole each of Li2CO3 and K2CO3 .... "...

    Text Solution

    |

  17. There is loss in mass when mixture of Li2CO3 and Na2CO3 .10H2O is heat...

    Text Solution

    |

  18. Identify the correct statement:

    Text Solution

    |

  19. Which of the following pairs of substances would give same gaseous pro...

    Text Solution

    |

  20. The hydration energy of Mg^(2+) ion is

    Text Solution

    |