Home
Class 11
CHEMISTRY
Which of the following is not true?...

Which of the following is not true?

A

`51.028xx1.31`, reported product is `66.8`

B

`4.327xx2.8`, reported product is `1.3xx10^(1)`

C

`1.235` is rounded off to `1.23`

D

`1.225` is rounded off to `1.22`

Text Solution

Verified by Experts

The correct Answer is:
D

The reported quotient should have the minimum number of significant figures. Thus, it should be 0.03
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    R SHARMA|Exercise Archives|26 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    R SHARMA|Exercise Follow-up Test 21|7 Videos
  • REDOX REACTIONS

    R SHARMA|Exercise Archives|29 Videos
  • STATES OF MATTER

    R SHARMA|Exercise ARCHIVES|41 Videos
R SHARMA-SOME BASIC CONCEPTS OF CHEMISTRY-Question Bank
  1. The diameter of the nucleus of an atom is measured in fermi (femto)me...

    Text Solution

    |

  2. Which of the following is correct?

    Text Solution

    |

  3. Which of the following is wrong?

    Text Solution

    |

  4. Which of the following is wrong?

    Text Solution

    |

  5. Which of the following is not true?

    Text Solution

    |

  6. Which of the following is correct? (i) (5.28xx0.156xx3)/(0.0428) = ...

    Text Solution

    |

  7. A container contains 0.32g of O(2) and the same volume of an unknown...

    Text Solution

    |

  8. The total number of atoms present in 10.6g of Na(2) CO(3) will be

    Text Solution

    |

  9. Which of the following has the minimum number of atoms?

    Text Solution

    |

  10. Law of reciprocal proportions was establish by

    Text Solution

    |

  11. 5g of KClO(3) gives 1.36 L of oxygen at STP. The law of conservation ...

    Text Solution

    |

  12. 29.2% (W//W) HCl stock solution has density of 1.25g mL^(-1). The mola...

    Text Solution

    |

  13. How many elements are found in nature?

    Text Solution

    |

  14. The number of synthetic elements are

    Text Solution

    |

  15. Barn is used to measure the cross-sectional area of the mucles of an a...

    Text Solution

    |

  16. Loschmidt number is the number of molecules in 1......of a gas at ST...

    Text Solution

    |

  17. Which of the following will not change if a mole were to contain 1xx1...

    Text Solution

    |

  18. A chemical equation for a gaseous reaction gives quantitative details ...

    Text Solution

    |

  19. If 13.1g of Na(2) SO(4) XH(2)O contains 6g of H(2)O, the value of X i...

    Text Solution

    |

  20. Two metallic oxides contain 27.6% and 30% oxygen, respectively. If the...

    Text Solution

    |