I am majoring in inorganic chemistry at university.

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.

He is dedicated to the study of immunochemistry.

The use of chemical weapons is prohibited by international law.

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

This shirt is made of chemical fiber.

He is suffering from combat stress reaction.

The concept of chemical equivalent is essential for understanding chemical reactions.