Home
Class 10
CHEMISTRY
An iron rod changed into iron oxide by r...

An iron rod changed into iron oxide by rusting. Guess how the weights before and after rusting of the iron rod are changed.
If a= weight of the iron rod
b= weight of the iron oxide

A

`a gt b`

B

`b lt a`

C

a=b

D

we cannot say

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise PREVIOUS SUMMATIVE ASSESSMENTS|19 Videos

  • ACIDS,BASESAND SALTS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|24 Videos

  • CARBON AND ITS COMPOUND

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|758 Videos

Similar Questions

Explore conceptually related problems

What is rusting of iron?

Rusting of iron is

Does distilled water rusts the iron nail ?

Discuss the process of rusting of iron.

How the colour of iron rod changes during the heating?

Rusting of iron takes place in

State two ways to prevent the rusting of iron.

Rusting of iron is physical change or chemical change

How would we check if the reason is correct for rusting of iron on cloths?

VGS PUBLICATION-BRILLIANT-ATOMS AND MOLECULES-OBJECTIVE TYPE QUESTION
  1. Assertion (A): The atomic mass of magnesium is 24. Reason ( R): Magn...

    Text Solution

    |

  2. Assertion (A): Atomic mass has no units. Reason ( R): Atomic mass is...

    Text Solution

    |

  3. An iron rod changed into iron oxide by rusting. Guess how the weights ...

    Text Solution

    |

  4. In the experiment of “To prove law of conservation of mass”, Manoj fou...

    Text Solution

    |

  5. CO:1:1::CO2:……………?

    Text Solution

    |

  6. Molecules in water is H2O then molecules in the Hydrogen is

    Text Solution

    |

  7. Why did symbol of copper taken as 'Cu'?

    Text Solution

    |

  8. Statement (A) : Symbol of carbon is ‘C’ whereas symbol of calcium is ‘...

    Text Solution

    |

  9. Generally all inert gases like , He,Ne,Ar,Kr,Xe are available as monoa...

    Text Solution

    |

  10. IF 'x^(-1)' and Na'x' then 'x' may be

    Text Solution

    |

  11. The valencies of 'Mg' and 'O' are……..respectively in MgO.

    Text Solution

    |

  12. 'X2 Y','X' H 'Y', 'X' OH Guess X and Y.

    Text Solution

    |

  13. By using Ag^+,Cl^-,Na^+,OH^- How many substance can be formed?

    Text Solution

    |

  14. Molar mass of molecule x= 2 gr Molar mass of molecule y= 32 gr Mol...

    Text Solution

    |

  15. No. of molecules in 44 grams of CO2 is equal to

    Text Solution

    |

  16. In this experiment which gas is produced?

    Text Solution

    |

  17. Law of conservation of mass was proposed by

    Text Solution

    |

  18. Law of conservation of mass was experimentally verified by

    Text Solution

    |

  19. Law of constant proportions was proposed by

    Text Solution

    |

  20. What is the original name of Kanada, an Indian sage, who proposed anu ...

    Text Solution

    |