Question

wtire at least 5 chemical reaction which shows change in color.

PLEASE DON'T ANSWER IF U HAVE LESS THAN 4 REACTİON

Answer 1

1)FeSO4*5H2O ___heated----> FeSO4 + 5H2O
Change from Pale green color to white colo r
2)Na2so4 + Bacl2 ---> Baso4 + 2Nacl
Colorless to white
3)Ca(Oh)2 + co2 ----> Caco3 + h20
Colorless to milky white
4)Feso4 + Zn ----> Znso4 + Fe
Pale green colored to colorless
5)Cucl2 + Fe ---> Fecl2 + Cu
Blue colored to pale green colored solution
Hope this helps...