June 2023 1 19 Report
100 БАЛЛОВ

Установите соответствие между схемой реакции и реагентом X, необходимым для ее осуществления

A. CaCO3 + X → CaCl2
B. Cu + X → CuCl2
C. NaBr + X → NaCl
D. Na2SO4 + X → NaCl

1. Cl2
2. HCl
3. KCl
4. BaCl2
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