How relative density be used in testing the purity of a substance? Explain by taking few examples.
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Explanation:
Under a particular temperature and pressure conditions, the value of relative density has a fixed value. So, if relative density is calculated for a substance, it can be compared with its theoretical value to determine its purity.
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If the relative density of a substance is less than 1 then it is less dense than the reference, if it is greater than 1 it is denser than the reference. ... In this way, the knowledge of relative density can help in verifying the purity of a substance.
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