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h2

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9y ago
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4mo ago

Hydrogen gas (H2) is produced when magnesium (Mg) reacts with hydrochloric acid (HCl) because magnesium displaces hydrogen from the acid to form magnesium chloride and hydrogen gas. This is a single replacement reaction where more reactive metal displaces less reactive hydrogen from the acid.

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Q: Which gas is produced when Mg(s) is added to HCl(aq)?
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