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    Question

    Which gas is evolved during the reaction of an acid with

    a metal?
    A Oxygen Correct Answer Incorrect Answer
    B Hydrogen Correct Answer Incorrect Answer
    C Carbon Dioxide Correct Answer Incorrect Answer
    D Nitrogen Correct Answer Incorrect Answer

    Solution

    When acids react with metals, hydrogen gas is released. For example, zinc reacts with hydrochloric acid to form zinc chloride and hydrogen gas (Zn + 2HCl → ZnCl₂ + H₂).

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