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.

His words seemed to add fuel to the fire in an already tense situation.

He likes to take a walk in the park at dusk.

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