Question

3.
An iron nail is dipped in an aqueous solution of blue vitriol. What changes will be observed
after some time? What kind of reaction is this ? Mention the equation for this reaction
water is lost from human body.​

Answer 1

Answer:

generally we know that blue vitirol means copper sulphate . the colour of copper sulphate (cuso4)is blue.when iron (Fe) dipped in to solution of copper sulphate then iron sulphate and hydrogen gase is prodused .

it is a type of displacement reaction

cuso4+Fe=Feso4+H2(gas)

copper sulphate cause several eye irritation

Answer 2

Answer:

iron nail change the colour to blue