I am majoring in physical chemistry at university.

I am majoring in biochemistry at university.

Arsine is a colorless, odorless, and highly toxic gas.

I was deeply impressed by the teachings of Fuke-shū.

Sodium cyanide is widely used in the extraction of metals and the manufacture of electronic components.

We will use potassium cyanide in this experiment.

Thermochemistry is a branch of chemistry that studies the interaction of heat and matter.

Photochemistry is a branch of science that studies how chemical reactions proceed under the influence of light.

The policy of Kōminka is a part of Japanese history, and its effects continue to this day.

Colonization is the process by which some countries dominate other countries or regions and impose their own culture and values.