Home
Class 10
CHEMISTRY
Change of Na(2)CO(3).10H(2)O to Na(2)CO(...

Change of `Na_(2)CO_(3).10H_(2)O` to `Na_(2)CO_(3).H_(2)O` on exposure to air is called

A

efflorescence

B

effervescence

C

fluorescence

D

luminescence

Text Solution

Verified by Experts

The correct Answer is:
A

The process of loosing water of crystallisation when exposed to air is called efflorescence.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL REACTIONS AND EQUATIONS

    MTG IIT JEE FOUNDATION|Exercise OLYMPIAD/HOTS CORNER|20 Videos
  • FOOTSTEPS TOWARDS (JEE MAIN)

    MTG IIT JEE FOUNDATION|Exercise Integer/Numerical Value Type|5 Videos

Similar Questions

Explore conceptually related problems

Na_(2)O_(2) + H_(2)O to

Na_(2)b_(4)O_(7)10H_(2)O is

Na_(2)SO_(3)+H_(2)O_(2) rarr Na_(2)SO_(4) +H_(2)O , in reaction

Na_(2)CO_(3)*10H_(2)Ooverset("air")to

One required 0.01 mole of Na_(2)CO_(3) . Mass of Na_(2)CO_(3) . 10H_(2)O to be taken is

Write the chemical name of Na_(2)CO_(3).10H_(2)Oand Na_(2)CO_(3). Writer the significance of 10H_(2)O. Mention the term used for wate molecules attached with a slat. With the help of chemical equation explain the method of preparation of both Na_(2)CO_(3).10H_(2)O and Na_(2)CO_(3). Also list two uses of Na_(2)CO_(3).10H_(2)O.

Na_(2)CO_(3).10H_(2)O overset(375K) to Na_(2)CO_(3).XH_(2)O+YH_(2)O. The value of Y-X is :

Na_(2)CO_(3).10H_(2)Ooverset(373K)rarrNa_(2)CO_(3).H_(2)O+9H_(2)O Na_(2)CO_(3).H_(2)Ooverset(gt373K)rarrNa_(2)CO_(3).H_(2)O Choose the correct statement(s) :

Na_(2)CO_(3) have water of crystallisation and its formula is Na_(2)CO_(3)*xH_(2)O .If 2.32g" of Na_(2)CO_(3)*xH_(2)O is heated then it loose "1.26g" of water,the value of "x" is assume all water of crystalline are removed when Na_(2)CO_(3)*xH_(2)O is heated

MTG IIT JEE FOUNDATION-FOOTSTEPS TOWARDS (NEET) -MCQ
  1. An experiment was carried out using the apparatus shown below: ...

    Text Solution

    |

  2. Which of the following elements is not a metal?

    Text Solution

    |

  3. When 1.0 mol of compound Q is burnt in excess oxygen, 2.0 mol of carbo...

    Text Solution

    |

  4. Which of the following statements is correct about elements ""(9)^(19)...

    Text Solution

    |

  5. Observe the given figure and answer the question that follows: ...

    Text Solution

    |

  6. Acids like lactic acid, uric acid which are obtained usually from plan...

    Text Solution

    |

  7. Arrange the following atoms in the order of increasing atomic radius :...

    Text Solution

    |

  8. Electrolytic reduction method is used in the extraction of

    Text Solution

    |

  9. The given diagram represents a reaction.

    Text Solution

    |

  10. Change of Na(2)CO(3).10H(2)O to Na(2)CO(3).H(2)O on exposure to air is...

    Text Solution

    |

  11. The structural formulae of compounds Q and R are shown below: W...

    Text Solution

    |

  12. The liquid non-metal is

    Text Solution

    |

  13. Which of the following elements will form an acidic oxide?

    Text Solution

    |

  14. Consider the following reaction: (I) and (II) are respectively

    Text Solution

    |

  15. Moist sodium bicarbonate was placed on a strip of pH paper. The colour...

    Text Solution

    |

  16. Which of the following pairs of compounds have similar chemical proper...

    Text Solution

    |

  17. Which one of the following types of ores can be converted into oxide b...

    Text Solution

    |

  18. Which of the following processes does not involve either oxidation or ...

    Text Solution

    |

  19. In a solution of pH = 5, more acid is added in order to reduce the pH ...

    Text Solution

    |

  20. Which of the following statements is not correct?

    Text Solution

    |