In this chemistry experiment, we will learn about the dangers of cyanide compounds.

This compound was made by the chemical combination of two different elements.

These two elements chemically combine to create a new substance.

He is majoring in chemistry at university.

He is researching about a new energy source.

He is conducting research on a new energy source.

He is an expert in chemistry.

It is important to understand the importance of health.

Organic solvents play an important role in chemical reactions.

This is my precious thing.