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Which gas forms in the reaction of zinc with dilute acid?

Answer and explanation

Correct answer: Hydrogen

The governing reaction pattern is metal plus dilute acid producing a salt and hydrogen gas. For example, zinc reacts with dilute hydrochloric acid as Zn + 2HCl → ZnCl₂ + H₂. Therefore hydrogen is released and option A is correct; it can be tested by bringing a burning splint near the gas, which gives a characteristic pop. Oxygen, chlorine, and nitrogen are not the general products of this reaction.

Related tags

Acids Bases SaltsZincMetal Acid ReactionHydrogenClass 10 ScienceAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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