Question

The correct formula for blue coloured copper sulphate is:
a) CuSO4
b) CuSO4.5H2O
c) CuSO4.xH2O
d) CuSO4.7H2O​

Answer 1

Answer:

answer is a)CuSo4...........

Answer 2

Answer:

${ Cu(NO3)2. }$

${ CuSO4.5H2O }$

${ OptionB}$