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help anyone

basically the question is

Evaluate the accuracy of the methods used to estimate the purity of the samples

and the methods are melting, boiling, distillation and titration
can someone just an idea i wrote something like
Distillation and using the boiling point
To determine the boiling point of a substance it will need to be determined through distillation. The determination of the boiling point of the liquid could differ depending on the atmospheric pressure, the pressure is important to be known as it has an effect.

is that good enough
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