Arsine is a colorless, odorless, and highly toxic gas.

The chemical reaction to arsenicate this sample is very dangerous.

The water in this area is undergoing arsenication, and it is dangerous to drink.

The smell of this flower is very good.

He hydrogenated fatty acids in a chemical experiment.

This compound is stabilized by hydrogenation.

This diamond is completely colourless, which is very rare.

What is this gas?

The toxicity of this medicine is very high, so please do not take more than the appropriate amount.

This chemical is very toxic.