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  1. Sudhakar Prajapati
    Sudhakar Prajapati :
    8 years ago

    A pure substance is a sample of matter with both definite and constant composition with distinct chemical properties.

    Examples of pure substances include elements and compounds. Alloys and other solutions may also be considered pure.

    1=water
    2=diamond
    3=gold
    4=table salt (sodium chloride)
    5=ethanol
    6=brass
    7=bronze
    8=saline solution

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