write chemical equation acid reactive metals which reactive metal
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When an acid reacts with a metal, a salt and _____ gas forms.
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Revision Questions.
Word equation hydrochloric acid + zinc → zinc chloride + hydrogen gas
Chemical equation 2 HCl + Zn → ZnCl2 + H2
General equation acid + metal → salt + hydrogen
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Acids react with most metals to form a salt and hydrogen gas. As discussed previously, metals that are more active than acids can undergo a single displacement reaction. For example, zinc metal reacts with hydrochloric acid, producing zinc chloride and hydrogen gas.
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