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A substance X used for coating iron articles is added to a blue solution of a reddish brown metal

Y, the colour of the solution gets discharged

identify X and Y.



Here X= Zinc metal(Zn)
And, Y= Copper Sulphate solution(CuSo_{4} ) Please rate it as best answer!
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We are given that the metal Y is reddish brown in colour. This metal is copper. Also, zinc is used in protecting iron articles (process called galvanisation). Zinc is more reactive than copper and hence can displace copper from its salt solution. So, X is zinc, while Y is copper. 
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