Chemistry · Chemical Reactions
Iron nails are dipped in a blue copper sulphate solution and left for some time. The solution gradually turns pale green, and a reddish-brown deposit appears on the nails. This is due to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Copper reacting with oxygen
- 2Iron reacting with water
- 3Copper displacing iron from copper sulphate
- 4Iron displacing copper from copper sulphate✓
Correct answer
Iron displacing copper from copper sulphate
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