Physics · Chemical Reactions and Equations
What is observed when an iron nail is dipped in a copper sulphate solution?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The blue solution turns light green and a brown coating appears on the nail✓
- 2The iron nail completely dissolves quickly
- 3A large amount of gas is evolved
- 4No chemical reaction takes place
Correct answer
The blue solution turns light green and a brown coating appears on the nail
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