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Write observation: A small piece of zinc is added to dilute hydrochloric acid. - Chemistry

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Question

Write observation:

A small piece of zinc is added to dilute hydrochloric acid.

Chemical Equations/Structures
One Line Answer
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Solution

A gas (hydrogen) is evolved, which burns with a pop sound when exposed to air.

\[\ce{Zn + 2HCl -> ZnCl2 + H2 ^}\]

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General Preparation of Hydrogen Chloride Gas
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