Home
Class 11
CHEMISTRY
Explain the need of term Average atomic ...

Explain the need of term Average atomic mass.

Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHETANA PUBLICATION|Exercise EXERCISE|34 Videos

  • ADSORPTION AND COLLOIDS

    CHETANA PUBLICATION|Exercise EXERCISE|41 Videos

Similar Questions

Explore conceptually related problems

Define:Average rate of chemical reaction. OR Explain : the term Average rate of chemical reaction

Calculate the number of moles of magnesium oxide, MgO in 10 g of the compound. (Average atomic masses of Mg =24 and O =16)

Calculate the number of moles of magnesium oxide, MgO in 80 g of the compound. (Average atomic masses of Mg =24 and O =16)

Explain the term: Periderm

Answer the following : Explain the need for thermometer .

Explain the term: Endarch

Explain the term: Cambium

Explain the terms. Gangue

Calculate number of atoms in each of the following (Average atomic mass : N = 14 u,S=32 u) 1.6 g of sulphur

CHETANA PUBLICATION- SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE
  1. Which of the following has the largest number of atoms ?

    Text Solution

    |

  2. A sample of pure water , whatever the source always contains……………… by ...

    Text Solution

    |

  3. The number of molecules in 22.4 cm^3 of nitrogen gas at STP is

    Text Solution

    |

  4. In reaction N 2 + 3H2 rarr 2NH3 the ratio by volume ofN2 , H2 and NH...

    Text Solution

    |

  5. The temperature at absolute zero is.

    Text Solution

    |

  6. Define the term unit .

    Text Solution

    |

  7. What is the ratio of molecules in 1 mole of NH3 and 1 mole of HNO3 ?

    Text Solution

    |

  8. What is a chemical reaction ?

    Text Solution

    |

  9. Calculate number of moles of hydrogen in 0.448 litre of hydrogen gas a...

    Text Solution

    |

  10. How do atoms of an element exist in nature ?

    Text Solution

    |

  11. How does Dalton 's atomic theory explain laws of chemical combination ...

    Text Solution

    |

  12. Explain law of chemical combinations.

    Text Solution

    |

  13. Explain the need of term Average atomic mass.

    Text Solution

    |

  14. 3.49 g of ammonia at STP occupies volume of 4.48 dm^3. Calculate molar...

    Text Solution

    |

  15. How many grams does an atom of hydrogen weigh ?

    Text Solution

    |

  16. Calculate the number of moles and molecules of sulphur dioxide obtaine...

    Text Solution

    |

  17. Define atomicity with example and explain Dalton 's atomic theory.

    Text Solution

    |

  18. Explain the need of term Average atomic mass.

    Text Solution

    |

  19. Calculate the mass of potassium chlorate required to librate 6.72 dm^3...

    Text Solution

    |

  20. Define atomic mass. Chlorine has two stable isotopes , Cl-35 and Cl-...

    Text Solution

    |