炭酸 たんさんカリウムじゃありませんでした
tansankariumujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 炭酸カリウム

1. Was not potassium carbonate.; Wasn't potassium carbonate.

Past/Perfective
Negative
Polite
Terminal Form
Chemistry