Sulphuric Acid
Noun
りゅうさん
どこで硫酸を手に入れたんだ。
Where did you get your hands on some sulfuric acid?
Mix sulfur and acid and you'll get sulfuric acid! That's how science works! How simple!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.