Question

why double displacement reaction is called as ppt​

Answer 1

because double displacement reaction react with reactant in white precipitate so it is called as PPT

Answer 2

Hey buddy here is ur answer =

a double displacement reaction is a reaction in which the reactants exchange their ions to form a precipitate ...

what is ppt u know.....it is short form of precipitate ...

so a precipitate is formed in every double displacement reaction...hence it is called as ppt reaction

hope it helps!

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wishes-vinay