53. Solving a chemistry problem
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2. Make a summary equation for each reaction, equalize them and indicate the oxidizing agent and reducing agent:
NaCrO2 Br2 NaOH → Na2CrO4 NaBr Н2O
Al KNO3 KOH H2O → KAlO2 NH3
NaCrO2 Br2 NaOH → Na2CrO4 NaBr Н2O
Al KNO3 KOH H2O → KAlO2 NH3
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