Member for
4 ปี 7 เดือนAge: 14+
Level: 8
Language: Polish
(pl)
ไอดี: 1605262
04/11/2021
Country code: PL
Country: Poland
Main content: Kwasy zasady sole (1604808)
From worksheet author:
chemia, dysocjacja
Other contents:
związki nieorganiczne
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