次亜 じあ塩素 えんそ さんではありませんでした
jiaensosandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 次亜塩素酸

1. Was not hypochlorous acid.; It was not hypochlorous acid.

Past/Perfective
Negative
Polite
Formal Register
Chemistry