Chemistry, asked by joyjain4142, 1 year ago

When precipitate is formed give one example of double displacement reaction?

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Answered by yatharthy

CuSO4(aq)+H2S(g)=CuS(s)+H2SO4(aq)
when hydrogen sulfide gas is passed through copper solution, then a black precipitate of copper sulfide is formed alongwith sulfuric acid solution

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