Question

Give 5 examples of change in colour during chemical reaction with chemical equation..??

Answer 1

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Answer 2

Dear student,

● Reactions in which colour change occurs -
1) Blue to green
CuSO4 + Fe --> FeSO4 + Cu

2) Green to colourless -
Fe(OH)2 + Zn --> Zn(OH)2 + Fe

3) Colorless to blue -
Al2(SO4)3 + Cu --> CuSO4 + Al

4) Green to colourless -
Fe(OH)3 + Al --> Al(OH)3 + Fe


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