Question

name any 2 properties of a substance used to check it's purity

Answer 1

Hi friend,

1) A pure substance has a set and extract melting point.

2) A pure substance has a set and extract boiling point
i hope it helps you

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Answer 2

Answer:

A pure substance has a fixed melting point or boiling point at constant pressure. The purity of a substance can be tested by checking its melting point or boiling point. If a substance is impure i.e. it contains traces of another substance, the melting and boiling point of that substance will change..