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What are active metals? Give examples wi...

What are active metals? Give examples with equations.

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Some metals displace hydrogen from strong acids such as `HCI, H_(2)SO_(4)`. These are called active metals.
Examples: `Zn + H_(2)SO_(4) rarr ZnSO_(4) + H_(2)`
`Mg + 2HC1 rarr MgC1_(2) + H_(2)`
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