Home
Class 8
CHEMISTRY
If the key is to be coated with aluminiu...

If the key is to be coated with aluminium instead of copper, what changes do we need to make in the experiment of coating on iron key with copper?

Promotional Banner

Topper's Solved these Questions

  • COMBUSTION , FUELS AND FLAME

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|139 Videos

  • METALS AND NON-METALS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|222 Videos

Similar Questions

Explore conceptually related problems

The copper is coated with…………

What changes do we need to make in an AC generator to be converted into a DC generator?

What changes do you observe in thermometer during this experiment?

For what purpose do we need water in our life ?

Development of green coating on copper is due to

What is the aim of this experiment? What changes do you observe in thermimeter reading?

What precaution should we take , while doing this experiment ?

Aluminium and copper mixture is used in making of

What do we need to burn a material?

Did you notice the colour coating on silver and copper articles?

VGS PUBLICATION-BRILLIANT-ELECTRICAL CONDUCTIVITY OF LIQUIDS-EXERCISE
  1. Which energy is cause for glowing of bulb in electrolytic cell?

    Text Solution

    |

  2. What do you add to distilled water for making it to conduct electricit...

    Text Solution

    |

  3. If the key is to be coated with aluminium instead of copper, what chan...

    Text Solution

    |

  4. Is plastic coated by the process of électroplating?why?

    Text Solution

    |

  5. Which of the following is used in electroplating?

    Text Solution

    |

  6. Pure water is a

    Text Solution

    |

  7. The material which does not allow electric current to pass through it ...

    Text Solution

    |

  8. Electroplating is possible through.

    Text Solution

    |

  9. One of the following is not an electrolyte

    Text Solution

    |

  10. When we pass current through a copper sulphate solution having copper ...

    Text Solution

    |

  11. Conduct an experiment for testing the electric conductivity of electro...

    Text Solution

    |

  12. Conduct an experiment for testing the electric conductivity of electro...

    Text Solution

    |

  13. Collect the information from various sources on the applications of el...

    Text Solution

    |

  14. Why do we use LED in the tester instead of a bulb ?

    Text Solution

    |

  15. Why do some materials allow electric current to pass through them and ...

    Text Solution

    |

  16. If a battery is packed in a box and if only two wires from two termina...

    Text Solution

    |

  17. What is electrolysis ? Give Faraday's first law of electrolysis.

    Text Solution

    |

  18. Why are you advised not to touch electric appliances with wet hands?

    Text Solution

    |

  19. Why do we use LED in the tester instead of a bulb ?

    Text Solution

    |

  20. Why do we use LEDs as indicators in electrical appliances ?

    Text Solution

    |