CBSE Class 7 Answered
What happened when an iron nail is kept immersed in copper sulphate solution write a word equation for this process name the types of change in world
Asked by rasmitapatel.sng | 06 Oct, 2018, 06:16: PM
Expert Answer
(a) When an iron nail is immersed in the aqueous solution of copper sulphate, a brown coating of copper is developed over iron and the blue copper sulphate solution becomes pale green since iron is more reactive than copper.
(b) Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)
(c) It is a chemical change and the above reaction is a displacement reaction.
Answered by Ramandeep | 07 Oct, 2018, 12:06: PM
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