Тест
SnO + NaOH =t
1.SnO + NaOH =t NaSnO2 + H2
2.SnO + NaOH =t Sn2O3 + HNa
3.SnO + NaOH =t Na2SnO2 + H2O
4.SnO + NaOH =t Sn(NaO2) +H2O

Taekook19 Taekook19    1   15.04.2020 10:35    1

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