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8th Class Science Materials : Metals and Non-metals Question Bank Materials : Metals and Non-metals

  • question_answer
    Why is tungsten used as a filament in electric bulbs?

    A)  It is sonorous.

    B)                         It is metallic.

    C)                         It has a high melting point.

    D)                         It has high density.

    Correct Answer: C

    Solution :

    Metal tungsten is used as a filament in electric bulbs because it has a high melting point.


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