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What happens when a base reacts with a metal? Q&A
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# What happens when a base reacts with a metal?

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## Characteristics of a base:Bases are bitter in taste and have a slippery texture. When a base reacts with an acid, a salt is formed.A base turns the color of a red litmus paper into blue color.Reaction of a base with a metal:When a base reacts with a metal, it involves the formation of salt along with the liberation of hydrogen gas.The word equation can be written as follows:$\mathrm{Metal}+\mathrm{Base}\to \mathrm{Salt}+\mathrm{Hydrogen}↑$Example:When sodium hydroxide $\left(\mathrm{NaOH}\right)$ reacts with zinc metal $\left(\mathrm{Zn}\right)$, sodium zincate is formed along with the liberation of hydrogen gas $\left({\mathrm{H}}_{2}\right)$.$\mathrm{Zn}\left(\mathrm{s}\right)+2\mathrm{NaOH}\left(\mathrm{aq}\right)\to {\mathrm{Na}}_{2}{\mathrm{ZnO}}_{2}\left(\mathrm{aq}\right)+{\mathrm{H}}_{2}\left(\mathrm{g}\right)$ChemistryStandard X

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