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  1. Purity of a metal can be determined with the help of

    2. A.

     Pascal's law
    B.

     Boyle's law
    C.

     Archimedes principle
    D.

     Conservation of mass principle

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    Answer : Option C

    Explanation :

    Purity of a metal can be determined with the help of Archimedes Principle which makes use of the densities and buoyancy of metals. Finding the density of a metal sample can help to determine its purity. It is most commonly used in the checking the purity of gold.

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