Please store this wine at room temperature.

Mercury is a harmful substance to the body.

Mercury is a metal that is liquid at room temperature.

We will use mercury in this experiment.

This bottle contains an unknown liquid.

This metal is very hard.

I wash my hands with liquid soap every day.

Liquid nitrogen is very cold, so care must be taken when handling it.

Liquid oxygen is often used as rocket fuel.

Transition metals play an important role in chemical reactions.