電気 でんき化学 かがく てき分極 ぶんきょくじゃなかったです
denkikagakuteki bunkyokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 電気化学的分極

1. Was not electrochemical polarization.; Wasn't an electrochemical polarization.

Past/Perfective
Negative
Polite
Casual Register
Chemistry