化学 かがく吸着 きゅうちゃくじゃなかったです
kagakukyūchakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 化学吸着

1. Wasn't chemisorption.; Wasn't chemical adsorption.

Past/Perfective
Negative
Polite
Casual Register