Home
Class 11
CHEMISTRY
The law of conservation of mass holds go...

The law of conservation of mass holds good for all of the following except.

A

All chemical reactions

B

Nuclear reactions

C

Endo thermic reactions

D

Exo thermic reactions

Text Solution

Verified by Experts

The correct Answer is:
B

Nuclear reactions do not follows law of conservation of mass. Mass converts in to energy according to `E = MC^(2)`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

The law of conservation of mass is not obeyed by a

The law of conservation of mass was given by :

Assertion(A): Following is a balanced chemical equation for the action of steam on iron: 3Fe + 4 H_2O rarr Fe_3O_4 + 4H_2 Reason(R): The law of conservation of mass holds good for a chemical equation.

Law of conservation of mass is not correct for

Is law of conservation of mass always valid ?

Statement-I : Law of conservation of mass hold good for nuclear reaction. Because Statement-II : Law states that mass can be neither created nor destroyed in a chemical reaction.

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. In Habers process, the volume at S.T.P. of ammonia relative to the tot...

    Text Solution

    |

  2. One part of element A reacts with two parts of another element B. 6 pa...

    Text Solution

    |

  3. The law of conservation of mass holds good for all of the following ex...

    Text Solution

    |

  4. The mass of nitrogen per gram in hydrazine is exactly one and half the...

    Text Solution

    |

  5. A balanced chemical equation is in accordance with

    Text Solution

    |

  6. An unbalanced chemical equation is against the law of

    Text Solution

    |

  7. Law of combining volumes was proposed by

    Text Solution

    |

  8. In the reaction, Hydrogen(g)+ Oxygen (g) rarr watervapour, the ratio o...

    Text Solution

    |

  9. Law of multiple proportion is illustrated by:

    Text Solution

    |

  10. Which of the following is an octa-atomic molecule

    Text Solution

    |

  11. Which of the following is a penta-atomic molecule

    Text Solution

    |

  12. Which one of the following properties of an element is not variable ?

    Text Solution

    |

  13. 10 grams of each O(2),N(2) and Cl(2) are kept in three bottles. The co...

    Text Solution

    |

  14. The atomicity of a species is x and its atomic weight is y. The molecu...

    Text Solution

    |

  15. Avagadro's number is the number of molecules present in

    Text Solution

    |

  16. Atomicity is the number of

    Text Solution

    |

  17. On amu is equal to

    Text Solution

    |

  18. The number of molecules present in one milli litre of a gas at STP is...

    Text Solution

    |

  19. The vapour density of gas is 22. it cannot be

    Text Solution

    |

  20. The mass of 112cm^(3) of methane at STP

    Text Solution

    |