次亜 じあ硫酸 りゅうさんじゃなかったです
jiaryūsanjanakattadesu

Noun
Desu Copula

The polite, past negative form of 次亜硫酸

1. Wasn't sodium bisulfite.; Wasn't hypochlorous acid.

Past/Perfective
Negative
Polite
Casual Register