November 2021 0 5 Report
4. Составь уравнение реакции – поставь коэффициенты, определи тип каждой реакции: 1)Fe(OH)3 + HCl= FeCl3 + H2O  
2)Na 2O + H2O = NaOH 
3)ZnO + Al → Zn + Al2O3 
4)NH3 = N2+H2
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