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    PURCHASE

    why do we need to group materials

    Materials are grouped together on the basis of similarities and differences in their properties. Materials are grouped together for convenience and to study their properties. Grouping materials saves our time, energy and makes our work easier.

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    We group materials:-

    1)For our convienience

    2)To locate them easily

    3) To study their properties

    4) To observe any pattern in their properties

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    we need to group materialsbecause:

    i) To avoid wastage of time.

    ii) To avoid wastage of energy.

    iii) To make our work easier.

    • 3

    we group materials for our convinience.

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