📝 Multiple Choice Question
General-science
When an iron nail is dipped in copper sulphate solution, the color of the solution changes from blue to green due to the formation of:
A
copper oxide
B
iron sulphate
C
iron oxide
D
copper chloride
Explanation
Iron is more reactive than copper; it displaces copper from CuSO4 to form light-green FeSO4.
Report Issue
Discussion (0 Comments)
Leave a Comment
No comments yet. Be the first to comment!
📌 Related Questions
The 'Permanent Hardness' of water is due to the presence of:...
Solve →Which of the following fuels has the highest calorific value?...
Solve →The main constituent of 'Shells' of sea animals is:...
Solve →Which gas is used in 'Neon Signs'?...
Solve →The 'Specific Conductance' of an electrolyte:...
Solve →