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

This shirt is made of chemical fiber.

The one-eyed goblin was dancing in the forest.

Radioactive elements are produced in nature and scientific experiments.

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

My company specializes in the manufacture of fine chemicals.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

No chemical flavoring is used in this ramen at all.

His long talk is just like 'a hundred days of sermonizing without a fart.'