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give reasons for the following

blue colour of copper sulphate solution is destroyed when iron filings are added to it

A displacement reaction takes place. Iron being a more reactive element than copper displaces copper from its compound. Ferrous Sulphate which is green in color and copper a reddish brown element are formed. So, blue color of copper sulphate fades away and the solution becomes light green. Copper is deposited on the grayish iron filings.

Fe(s) + CuSO4(aq) --- FeSO4(aq) + Cu(s)

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A displacement reaction takes place. Iron being a more reactive element than copper displaces copper from its compound. Ferrous Sulphate which is green in color and copper a reddish brown element are formed. So, blue color of copper sulphate fades away and the solution becomes light green. Copper is deposited on the grayish iron filings. Fe(s) + CuSO4(aq) --- FeSO4(aq) + Cu(s)
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Due to displacement reaction taking place between them

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Iron is a more reactive metal than copper ,so it will displace copper from its salt solution. CuSO4 (aq) + Fe (s) ---->>> FeSO4 (aq) + Cu ( s )
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Iron is more reactive metal than coppeec,so it will displace copper frim its salt solution cuso4(aq,)
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