Analytical chemistry is a science that reveals the composition and structure of substances.

I am majoring in physical chemistry at university.

I love organic chemistry classes.

This chemical reaction is very dangerous.

He is dedicated to the study of immunochemistry.

Thermochemistry is a part of chemistry that deals with the reactions of heat and matter.

Chemical pollution has a serious impact on the health of the Earth.

This shirt is made of chemical fiber.

It is reported that North Korea has conducted another underground nuclear test.

He is an expert in experimental psychology.