Home
Class 12
CHEMISTRY
Which of the following is an element?...

Which of the following is an element?

A

Hydrogen peroxide

B

Ozone `(O_3)_7`

C

sand

D

Wood

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES KETONES AND CARBOXYLIC ACID

    MBD PUBLICATION|Exercise QUESTION TYPE|100 Videos
  • BIOMOLECULES

    MBD PUBLICATION|Exercise QUESTION BANK |997 Videos

Similar Questions

Explore conceptually related problems

Which of the following is trace element ?

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic, radii? (Numbers in the parenthesis areratomic numbers).

Which of the following is not an essential element for Plants ?

Which of the following is a transition element ?

Which of the following is a transition element ?

Which of the following statement about transition elements is correct ?

Which of the following elements are required for chlorophyll synthesis?

MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. What is the SI unit of surface tension ?

    Text Solution

    |

  2. What is the si unit of viscosity?

    Text Solution

    |

  3. Which of the following is an element?

    Text Solution

    |

  4. Define molecule.

    Text Solution

    |

  5. Three masses of oxygen in ferric oxide and ferrous oxide are in the si...

    Text Solution

    |

  6. Which law explains the chemical combination of elements in H2O , H2S, ...

    Text Solution

    |

  7. Which law explains the chemical combination of elements in CO , CO2 ?

    Text Solution

    |

  8. Which law explains the chemical combination of elements in H2O ?

    Text Solution

    |

  9. Express the relationship between equivalent mass ,valency and atomic m...

    Text Solution

    |

  10. What is the equivalent weight of sodium ?

    Text Solution

    |

  11. What is the relationship between atomic mass and equivalent mass of o...

    Text Solution

    |

  12. Write gram equivalent mass of oxygen ?

    Text Solution

    |

  13. The atomic mass of a metal 'M' is 27 and its equivalent mass is 9. Th...

    Text Solution

    |

  14. What is the equivalent mass of an element?

    Text Solution

    |

  15. Chemical standard for expressing atomic mass is :

    Text Solution

    |

  16. How many molecules are present in 0.224 L of a gas at N.T.P.?

    Text Solution

    |

  17. What is the volume of 17.75 g of chlorine at NTP ?

    Text Solution

    |

  18. How many molecules of oxygen are present in one mole of sulphuric acid...

    Text Solution

    |

  19. Avagadro's number of helium weight how many grams ?

    Text Solution

    |

  20. How many moles of hydrogen molecules are there in one mole of hydrogen...

    Text Solution

    |