This rock is rich in silicate.

Citrate plays an important role in organic chemistry.

I learned about the properties of arsenate in chemistry class.

This fertilizer is rich in phosphates.

He is suffering from combat stress reaction.

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

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

No chemical flavoring is used in this ramen at all.

My company specializes in the manufacture of fine chemicals.

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