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Q 15.     What do you mean by a precipitation reaction? Explain by giving examples.

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 Any reaction that produces a precipitate is called a precipitation reaction.

Example : Na_2CO_3(aq)+CaCl_2(aq)\rightarrow CaCO_3(s)+2NaCl(aq)

Here , we have CaCO_3  as precipitate so it is a precipitation reaction.

 

 

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seema garhwal

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