Which of the following is not correctly matched?

1 Galena : Lead sulphide

2 Green vitriol : Copper sulphate

3 Plaster of Paris : Calcium sulphate

4 Calomel : Mercurous chloride

Answer Posted / sandeep

Green vitriol : Copper sulphate
is wrong because

copper sulphate is blue vitrol....
and
ferrous sulphate is green vitrol........

Is This Answer Correct ?    4 Yes 0 No



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