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ペルオキソ二 に硫酸 りゅうさんでした
peruokisoniryūsandeshita

敬
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Noun
, 
Desu Copula

The polite past form of ペルオキソ二硫酸

1. Was peroxy disulfuric acid.

Past/Perfective
, 
Polite
, 
Chemistry

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ペルオキソ二硫酸でした

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