Question

How do chemists test the purity of a substance?

Answer 1

1. Physical comparison with a pure standard. One of the simplest way to check the purity of a substance is to compare the substance with a certified Pure sample.
2. Melting and boiling point determination.

Answer 2

Chemistry is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy. Many people think of chemists as being white-coated scientists mixing strange liquids in a laboratory, but the truth is we are all chemists.