Question

write 2 observation that you will make
when an iron nail is kept in an aquous
solution of copper sulphate. write the chemical equ. for this reaction

Answer 1

Blue colour changes to light green. Reddish brown deposit on the iron nail. 

Fe(s) + CusO4(aq) - FeSO4(aq) + Cu(s)  

e Leo answerwaaa

Answer 2

Iron nail turns browny and the colour of copper sulphate which is blue turns green
And formula is here
CuSO4 + Fe = FeSO4 +Cu
which is also a displacement reaction