Question

5. Which of the following substances is green
in colour?
(a) CuSO4.5H20
(b) FeSO4.7H20
(c) ZnSO4.7H2O
CAR
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(d) Na2CO3.10H20
ren​

Answer 1

Answer:

Option B

FeSO4 • 7 H2O

is ferrous sulphate

and is green in colour .

while Copper sulphate ( option a ) Is Blue ; Sodium bicarbonate ( option d ) is white and zinc sulphate is light red .