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6th Class Science Sorting Materials into Groups Question Bank Sorting Materials into Groups

  • question_answer
    Door locks are made of metals. Which property of metals is made use of?

    A)  They have lustre.

    B)  They are opaque.

    C)  They are good conductors of heat.

    D)  They are hard and strong.

    Correct Answer: D

    Solution :

    Door locks are meant for security. For this purpose, we have to choose metals which are hard and strong.


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