Iron fillings are put In different test- tubes A,B,C and D containing ZnSo4 ,CuSo4,Al2(So4)3,CaCl2solution respectively. In which of the following test tube will change be observed
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in cuso4 ND znso4 change will be observed
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In test tube b change is observed that when iron fillings are added to test tube containing CU S o4 solution it soon becomes green in colour this is due to formation of ferrous sulphate compound by displacing copper from its sulphate solution .....
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