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.
Explain the different means through which water is lost from human body
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Answer:
Iron Nail ( Fe )
The blue colour of blue vitriol fades as Iron displaces Copper from its solution.
It is a Displacement Reaction.
The equation is.
Fe + CuSO4 --- FeSO4 + Cu
Human body release water through respiration and urination.
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