When an iron nail is put in a beaker containing copper sulphate solution and left for some
time, what happens?
a. The beaker become cold
b. Colour changes from blue to green
c. A gas is evolved
d. Colour changes from green to blue
Answers
Answered by
1
Answer:
option b
Explanation:
colour of CuSO4 is blue .When Fe nail is kept in it , Fe displaces Cu from its solution and forms green solution of FeSO4 . Cu deposits on nail. This is called displacement reaction
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Answered by
1
Answer:
Colour changes form blue to
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