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In the reaction CuO + H₂ → Cu + H₂O, which process occurs to hydrogen?

Answer and explanation

Correct answer: Oxidation

In CuO + H₂ → Cu + H₂O, hydrogen combines with oxygen removed from copper(II) oxide and becomes water. Gain of oxygen is oxidation, so hydrogen is oxidised and option A is correct. Copper(II) oxide loses oxygen and is reduced. Displacement describes a reaction pattern, while neutralisation involves an acid and a base, neither of which identifies hydrogen’s process here.

Related tags

OxidationRedox ReactionsHydrogenCopper OxideChemical ReactionsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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