Acid reacts, with which of the following to produce salt?

Explanation

The correct answer is All of the above. Acids can react with metal oxides and hydroxides through neutralization reactions, resulting in the formation of salt and water. Additionally, acids can react with certain metals, typically those above hydrogen in the reactivity series, to produce salt and hydrogen gas. This variety of reactions showcases the different pathways through which acids can produce salts. Hence, each of these interactions is a valid mechanism for salt formation, making Option D the correct choice. Although metal oxides, hydroxides, and metals can individually react with acids, it is their collective ability to do so that fits the context of the question best.