吸熱 きゅうねつ反応 はんのうじゃありませんでした
kyūnetsuhannōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 吸熱反応

1. Was not an endothermic reaction.; It was not an endothermic reaction.

Past/Perfective
Negative
Polite
Terminal Form
Chemistry