Расставьте коэффициенты и определите типы химических реакций:
а) Fe 2 O 3 + H 2 = Fe + H 2 O б) С + Al = Al 4 C 3
в) KClO 3 = KCl + O 2 г) AgNO 3 + CaI 2 = Ca(NO 3 ) 2 + AgI
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