Question

How would you know that a chemical is pure or not?

Answer 1

Doctor ‍⚕️ ke paas jana hoga

Answer 2

take the chemical and distill it and then boil it and if aftersometime when the chemical starts to boil, check its boiling point if it is constant then it is a pure chemical

and if the temperature rises again after the boiling point then it is a mixture of two chemicals