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  • Metals and Non-metals (Class X)
  • Why does copper turn green after some time when left in o...
Multiple choice

Why does copper turn green after some time when left in open?

  1. Due to oxidation of copper

  2. Due to reduction of copper

  3. Due to displacement reaction

  4. Due to rusting

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Copper turns green because of a process known as oxidation, which is the removal of electrons from the substance.

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