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Which conclusion is correct for the reaction between a non-metal oxide and a base?

Answer and explanation

Correct answer: Salt and water may be formed

The governing concept is the acidic nature of many non-metal oxides. Such oxides can react with bases in a neutralisation-type reaction to form a salt and water. For example, CO₂ + 2NaOH → Na₂CO₃ + H₂O, while CO₂ with limewater can form calcium carbonate. Hydrogen gas and a metal are not compulsory products, and it is incorrect to say that no reaction ever occurs. Therefore, option A is correct.

Related tags

Nonmetal OxideBaseNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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