This chemical reaction is very dangerous.

This substance is a solid.

It's high temperature today, it's hard to go out.

Dry distillation is a chemical reaction that involves heating a substance to high temperatures, turning it into vapor, and then cooling it into a liquid or solid.

Chemotransmitters play an important role in the transmission of information between nerve cells.

I decided to change my daily routine.

This plan is still at a stage where it can be changed.

By heating food, you can kill bacteria.

Please heat the meal.

This bottle contains an unknown liquid.