Home
Class 11
CHEMISTRY
The number of significant figures in 0.0...

The number of significant figures in `0.0045` are

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
A

Zeros to the left of the first non-zero digit are not significant
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 number of significant figures in 0.0035 is

The number of significant figures in 0.0500 are

The number of significant figures in 0.07 is

The number of significant figures in 0.0009 is

The number of significant figures in 0.400 is

The number of significant figures in 0.00250 is

The number of significant figures in 0.007 is

Significant figures in 0.00051 are

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Area of nuclear cross-section is measured in 'Barn'. It is equal to

    Text Solution

    |

  2. The value of Planck's constant is 6.62618 xx 10^(-34)Js. The number of...

    Text Solution

    |

  3. The number of significant figures in 0.0045 are

    Text Solution

    |

  4. The actual product of 4.327 and 2.8 is 12.1156. The correctly reported...

    Text Solution

    |

  5. On diving 0.46 by 15.374, the atual answer is 0.029236. The correctly ...

    Text Solution

    |

  6. Among the following pairs of compounds, the one that illustrates the l...

    Text Solution

    |

  7. Ferric sulphate on heating gives

    Text Solution

    |

  8. Among the following pairs of compounds, the one that illustrates the l...

    Text Solution

    |

  9. In compound A, 1.00 g nitrogen units with 0.57 g oxygen. In compound B...

    Text Solution

    |

  10. Carbon and oxygen combine to from two oxdies, carbon is respective...

    Text Solution

    |

  11. A sample of pure carbon dioxide, irrespective of its source contains 2...

    Text Solution

    |

  12. Atomic weight of Ne is 20.2 Ne is a mixuture of Ne^(20) and Ne^(22...

    Text Solution

    |

  13. The vapour density of ethyl alcohol vapour is

    Text Solution

    |

  14. Maximum number of atoms are present in

    Text Solution

    |

  15. The number of atoms in 0.004g of magnesium will be

    Text Solution

    |

  16. Number of atoms in 558.5 g Fe (at.wt.55.85) is:

    Text Solution

    |

  17. If N(A) is Avogadro's number, then number of valence electrons in 4.2 ...

    Text Solution

    |

  18. The weight of 1 xx 10^(22) molecules of CuSO(4).5H(2)O is

    Text Solution

    |

  19. 8gms of O(2) has the same number of molecules as

    Text Solution

    |

  20. Which one of the following gases contain the least number of molecukes...

    Text Solution

    |