This pipe is made of PVC.

This old document states that magnesium sulfate was used as a medicine.

Borates play an important role in chemical reactions.

This mineral contains carbonate.

Silver salt plays an important role in photography.

We will use cyanide in this chemical experiment.

In chemistry class, I learned about the properties of ammonium chloride.

I was really surprised by his cruelly brusque treatment.

My hobby is painting Japanese-style paintings.

I live in the State of Japan.