Question

how do we test purity of substances​

Answer 1

Answer:

by comparing it with the the pure substance

Answer 2

Explanation:

One of the simplest ways to check the purity of any substance is to compare the substance with a certified pure sample. Even physical comparisons can reveal a lot about the purity of a sample. Visual comparison can reveal the presence of any large impurities, such as dirt or other differently colored impurities........

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