ヘキサフルオロケイ けいさんじゃありません
hekisafuruorokeisanjārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of ヘキサフルオロケイ酸

1. It is not hexafluorosilicic acid.

Negative
Polite
Terminal Form
Chemistry