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What are the general products formed in the reaction of a metal and an acid?

Answer and explanation

Correct answer: Salt and hydrogen

The governing reaction rule is that a sufficiently active metal displaces hydrogen from a dilute acid, forming a salt and releasing hydrogen gas. For example, zinc with hydrochloric acid forms zinc chloride and hydrogen: Zn + 2HCl → ZnCl₂ + H₂. Thus option A is correct. Oxygen is not the usual gas produced, carbon dioxide belongs to acid-carbonate reactions, and base plus water describes neutralisation rather than metal-acid reaction.

Related tags

Acids Bases SaltsMetal Acid ReactionSalt FormationHydrogenClass 10 ScienceAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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