В схеме превращений I2=>NaI=>HI=>AgI веществами А,Б,В соответственно являются: 1)NaOH,H2O,Ag2O 2)NaF,H2SO4,AgNO3
3)NaBr,H2SO3,AgNO3
4)Na,H2SO4,AgNO3
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