アンモニアソーダ ほうじゃありませんでした
ammoniasōdahōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of アンモニアソーダ法

1. Was not the Solvay process.; It wasn't the Solvay process.

Past/Perfective
Negative
Polite
Terminal Form