how can gas evolved in a chemical equations . comments
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Here, hydrochloric acid oxidizes zinc to produce an aqueous metal salt and hydrogen gas bubbles. ... The oxidation of metals by strong acids is another common example of a gas evolution reaction.
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A gas evolution reaction is a chemical reaction in which one of the end products is a gas such as oxygen or carbon dioxide. Gas evolution reactions may be carried out in a fume chamber when the gases produced are poisonous when inhaled or explosive.
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