Home
Class 12
CHEMISTRY
The modern atomic weight scale is based ...

The modern atomic weight scale is based on

A

`C^(12)`

B

`O^(16)`

C

`H^(1)`

D

`C^(13)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Objective Questions) The mole concept|43 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Objective Questions) Chemical stochiometry|42 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS |Exercise JEE Section (Matrix Match type questions)|3 Videos

  • SOLUTION

    ERRORLESS |Exercise JEE SECTION (JEE (Advanced)2018) (Numeric answer type questions)|3 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise JEE section (JEE (Advanced) 2018) Numeric answer type questions|2 Videos
ERRORLESS -SOME BASIC CONCEPTS OF CHEMISTRY-Ordinary Thinking (Objective Questions) Atomic, Molecular and Equivalent masses
  1. 0.32 g of metal gave on treatment with an acid 112 mL of hydrogen at N...

    Text Solution

    |

  2. Equivalent weight of crystalline oxalic acid is

    Text Solution

    |

  3. The modern atomic weight scale is based on

    Text Solution

    |

  4. In the reaction of sodium thiosulphate with I(2) in aqueous medium, th...

    Text Solution

    |

  5. To dissolve 0.9 g metal, 100 mL of 1 N HCl is used. What is the equiva...

    Text Solution

    |

  6. M is molecular weight of KMnO(4). The equivalent weight of KMnO(4) whe...

    Text Solution

    |

  7. For preparing 0.1 N solution of a compound from its impure sample, of ...

    Text Solution

    |

  8. If the molecular weight of H(3) PO(3) is M, its equivalent weight will...

    Text Solution

    |

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

    Text Solution

    |

  10. In chemical scale, the relative mass of the isotopic mixture of oxygen...

    Text Solution

    |

  11. The mass of a molecule of water is

    Text Solution

    |

  12. The value of amu is equal to

    Text Solution

    |

  13. If we consider that 1//6, in place of 1//12, mass of carbon atom is ta...

    Text Solution

    |

  14. The number of hydrogen atoms present in 25.6 g of sucrose (C12 H22 O11...

    Text Solution

    |

  15. 100 mL of PH(3) on decomposition produced phosphorus and hydrogen. The...

    Text Solution

    |

  16. Which of the following has least mass

    Text Solution

    |

  17. The molecular weight of a gas is 45. Its density at STP is

    Text Solution

    |

  18. A bivalent metal has an equivalent mass of 32. The molecular mass of t...

    Text Solution

    |

  19. 1 amu is equal to

    Text Solution

    |

  20. 1.25g of a solid dibasic acid is completely neutralised by 25mL of 0.2...

    Text Solution

    |