Home
Class 9
CHEMISTRY
How will you justify that rusting of iro...

How will you justify that rusting of iron is a chemical change ?

Text Solution

Verified by Experts

The rust is a brown chemical compound known as hydrated ferric oxide `(Fe_(2)O_(3).xH_(2)O)`. It can not be removed from the surface of the metal by any means. Formula of rust shows that iron has undergone a chemical change.
Promotional Banner

Topper's Solved these Questions

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Short Answer Questions|58 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Long Answer Questions|34 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise N.C.E.R.T|20 Videos

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise LONG ANSWER QUESTIONS|24 Videos

  • MATTER IN OUR SURROUNDINGS

    DINESH PUBLICATION|Exercise (LAQs) Long Answer Questions|5 Videos

Similar Questions

Explore conceptually related problems

Is rusting of iron a physical change ?

How would you show that setting of curd is a chemical change?

The rusting of iron nail

Do you think formation of rust from iron is a chemical change ?

How will you justify that water is a compound ?

DINESH PUBLICATION-IS MATTER AROUND US PURE-Very Short Answer Questions
  1. When a beam of light was passed through the solution of a substance 'A...

    Text Solution

    |

  2. What will happen if a colloidal solution of sulphur is centrifuged in ...

    Text Solution

    |

  3. How will you justify that rusting of iron is a chemical change ?

    Text Solution

    |

  4. Why do not the dispersed phase particles in a colloidal solution combi...

    Text Solution

    |

  5. What are the units of mass percent ?

    Text Solution

    |

  6. What is the nature the solution formed by mixing mustard oil and water...

    Text Solution

    |

  7. Give one example of the colloidal solution in which solid acts as the ...

    Text Solution

    |

  8. Name two compounds which sublime on heating.

    Text Solution

    |

  9. You are provided with a mixture of carbon tetrachloride and water. How...

    Text Solution

    |

  10. Give one example of (a) solution of a gas in a liquid (b) solution of ...

    Text Solution

    |

  11. What is dispersed phase and dispersion medium in a colloid ?

    Text Solution

    |

  12. What happens when a saturated solution of sodium chloride prepared at ...

    Text Solution

    |

  13. Can we separate alcohol dissolved in water by using a separating funne...

    Text Solution

    |

  14. Sodium chloride contains two elements, but it is still a pure substanc...

    Text Solution

    |

  15. Classify the following as homogeneous and heterogeneous mixtures : ...

    Text Solution

    |

  16. Why does a salt disappear when dissolved in water ?

    Text Solution

    |

  17. Why particles in a true solution cannot be seen with a naked eye ?

    Text Solution

    |

  18. Differentiate between simple distillation and fractional distillation.

    Text Solution

    |

  19. state one instance where water undergoes a physical change and on...

    Text Solution

    |

  20. Identify colloids from the following : Copper sulphate solution, m...

    Text Solution

    |