Question

Позначте всі рівняння окисно-відновних реакцій. 1)CaO + 2HCL = CaCl2 + H2O 2)N2 + O2 = 2NO 3)CuO + H2 = Cu + H2O 4)2NaOH + H2SO4 = Na2SO4 + 2H2O 5)KOH + HCL = KCL + H2O 6)2H2 + O2 = 2H2O 7)2AL + 3S = Al2S3 8)CuO + H2SO4 = CuSO4 + H2O

Answer 1

Вторая, третья, шестая, седьмая

Answer 2

Oxidation-Reduction Reactions Equations:

1) CaO + 2HCl = CaCl2 + H2O 2) N2 + O2 = 2NO 3) CuO + H2 = Cu + H2O 4) 2NaOH + H2SO4 = Na2SO4 + 2H2O 5) KOH + HCl = KCl + H2O 6) 2H2 + O2 = 2H2O 7) 2Al + 3S = Al2S3 8) CuO + H2SO4 = CuSO4 + H2O

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