In this chemical experiment, we will examine the properties of benzoic acid.

This lemonade contains plenty of citric acid.

Hyaluronic acid is very effective for skin hydration.

He suffered from oxygen deficiency while climbing the mountain.

Butyric acid is one of the components that characterizes the flavor of butter.

This is my unused camera.

It is reported that North Korea has conducted another underground nuclear test.

He is an expert in experimental psychology.

He is spending a lot of time on experimental research.

I love hot and sour soup.