Question

Name two properties of a substance to check its purity?

Answer 1

☸ Required Answer is ⬇⬇⬇⬇⬇

✔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..

Answer 2

Ans. A pure substance have fixed Melting point or boiling point on constant pressure.

★The Purity of substance can be tested by checking it's melting and boiling point.