Chemistry · Chemical Reactions and Equations
What are the noticeable changes observed when an iron nail is placed in copper sulphate solution?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The iron nail becomes brownish in colour and the blue colour of the copper sulphate solution fades.✓
- 2The iron nail remains as it is and the blue colour of the copper sulphate solution fades.
- 3The iron nail becomes brownish in colour and the blue colour of the copper sulphate solution remains blue.
- 4The iron nail becomes brownish in colour and the blue colour of the copper sulphate solution changes to yellow.
Correct answer
The iron nail becomes brownish in colour and the blue colour of the copper sulphate solution fades.
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