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What products are generally formed when a metal oxide reacts with an acid?

Answer and explanation

Correct answer: Salt and water

The governing concept is neutralisation. Most metal oxides are basic oxides, so they react with acids to produce a salt and water. For example, CuO + 2HCl → CuCl₂ + H₂O. This is not a metal-displacement reaction, so metal and hydrogen are not the general products. Carbon dioxide is usually associated with an acid reacting with a carbonate, not an ordinary metal oxide. Hence option A is correct.

Related tags

Metal OxideNeutralisationSalt FormationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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