Hydrocarbons are fundamental components of organic chemistry.

I love organic chemistry classes.

This is the most beautiful flower.

Alkane is one of the simplest hydrocarbons in organic chemistry.

This is an organic vegetable.

He ate one apple.

Carbonization is a type of chemical reaction where organic matter changes under high temperatures and in a state of oxygen deficiency, turning into a substance with carbon as its main component.

When this wood is carbonized, its strength increases.

He is majoring in chemistry at university.

This problem is simple, so it can be solved quickly.