We will use chlorine in this chemical experiment.

A grapheme is the smallest unit that makes up written language.

In Japanese, graphemes include hiragana, katakana, kanji, etc.

Please show me your bare face.

I made vegetables and fish fried directly for dinner today.

This reaction occurs through a chemical process.

He is an excellent chemist who made many discoveries.

He is an expert in petrochemistry.

It's difficult to decipher this chemical equation.

Understanding chemical equations is difficult.