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

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

The chemical reaction to arsenicate this sample is very dangerous.

The smell of this flower is very good.

This diamond is completely colourless, which is very rare.

This compound is stabilized by hydrogenation.

He hydrogenated fatty acids in a chemical experiment.

What is this gas?

This chemical is very toxic.

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