Home
Class 11
CHEMISTRY
Express the following in the scientific ...

Express the following in the scientific natation:
(1) 0.0048
(2) 234,000
(3) 8008
(4) 500.0
(5) 6.0012

Text Solution

Verified by Experts

(1) `4.8xx10^(-3)`
(2) `2.34xx10^(5)`
(3) `8.008xx10^(3)`
(4) `5.000xx10^(2)`
(5) `6.0012xx10^(0)`
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise HIGHER THINKING SKILLS (HOTS) QUESTIONS|19 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|46 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise SOLVED WBCHSE SCANNER|28 Videos
  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|16 Videos
  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|10 Videos

Similar Questions

Explore conceptually related problems

Express the number in exponential notation: (a) 563 (b) 0.0012 (c) 43,900,000 (d) 0.0000007190

How many significant figures are present: (1) 0.0025 (2) 208 (3) 5005 (4) 126,000 (5) 500.0 (6) 2.034

Let's solve the following equation. 5(x+3) + 4(2x+6) = 0

Express the following sets in set-builder method: B={0,1/2,2/3,3/4,4/5,5/6,......} ,

Prove that the following matrix are singular: [(3,2,1),(0,4,5),(3,6,6)]

Find the octants in which the followings points lie: (i) (2,3,4) (ii) (2,3,-4) (iii) (-1,-2,3) (iv) (-3,-4,-5) (v) (-1,2,5) (vi) (2,-1,-3) (vii) (1,-3,4) (viii) (-2,-3,5)

Write the quadrant in which of the following points lie? (i) (-2,3) (ii) (5,-3) (iii) (4,2) (iv) (-7,-6) (v) (0,8) (vi) (3,0) (vii) (-4,0) (viii) (0,-6)

Plot the following ordered pairs on a graph sheet. What do you observe? (i) (1,0), (3,0), (-2,0), (-5,0), (0,0), (5,0), (-6,0) (ii) (0,1),(0,3),(0,-2),(0,-5),(0,0),(0,5),(0,-6)

Express each of the following equations in the form of ax + by + c = 0 and write the values of a, b and c. (i) 3x + 4y = 5 (ii) x - 5 = sqrt3y (iii) 3x = y (iv) x/2+y/2=1/6 (v) 3x - 7 = 0

CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-SOLVED NCERT EXERCISE
  1. What do you mean by significant figures?

    Text Solution

    |

  2. A sample of drinking water was found to be severely contaminated with ...

    Text Solution

    |

  3. Express the following in the scientific natation: (1) 0.0048 (2) 2...

    Text Solution

    |

  4. How many significant figures are present: (1) 0.0025 (2) 208 (3) 5...

    Text Solution

    |

  5. Round up the following upto three significant figures: (1) (1) 34.21...

    Text Solution

    |

  6. The following data are obtained when dinitrogen and dioxygenn react to...

    Text Solution

    |

  7. If the speed of light is 3.0xx10^(8)m*s^(-1), calculate the distance c...

    Text Solution

    |

  8. In a reaction A+B(2) to AB(2). Identify the limiting reagent, if any, ...

    Text Solution

    |

  9. N(2) and H(2) react with to produce ammonia according to the equation:...

    Text Solution

    |

  10. How are 0.5 mol Na(2)CO(3) and 0.5(M) Na(2)CO(3) different?

    Text Solution

    |

  11. If ten volumes of dihydrogen gas reacts with five volumes of dioxygen ...

    Text Solution

    |

  12. Convert the followingn into basic units: (1) 28.7 pm (2) 15.15 pm ...

    Text Solution

    |

  13. Which of the following will have largest no. of atoms? (1) 1 g Au (g...

    Text Solution

    |

  14. Calculate the molarity of a solution of ethanol in water in which the ...

    Text Solution

    |

  15. What will be the mass of one ""^(12)C atom in g?

    Text Solution

    |

  16. How many significant figures should be present in the answer of the fo...

    Text Solution

    |

  17. Use the data given in the following table to calculate the molar mass ...

    Text Solution

    |

  18. Calculate the number of atoms in each of the following (1) 52 moles of...

    Text Solution

    |

  19. A welding fuel gas contains carbonn & hydrogen only. Burning a smal sa...

    Text Solution

    |

  20. Calcium carbonate reacts with aqueous HCl to give CaCl(2) and CO(2) ac...

    Text Solution

    |