The properties of electrolytes are one of the important themes in physical chemistry.

I am majoring in physical chemistry at university.

The quality of this product is very high.

His nature is very kind, and he is liked by everyone.

The theme of today's meeting is environmental protection.

He ate one apple.

Health is very important.

His opinion is very important.

We conducted an experiment on electrolysis in chemistry class.

The chemist electrolyzed water to produce hydrogen and oxygen.