September 2021 1 42 Report
Даны вещества: ZnCl2,ZnO, растворы: H2SO4,NaOH,K2CO3,H2O2 и H2O
Используя вещества только из этого списка,получите в две стадии гидроксид цинка. Опишите признаки проводимых реакций
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