Give reason :
A shiny copper object turns green after some time.
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6
Answer:
Copper turns green because of chemical reactions with the elements. ... Just as iron that is left unprotected in open air will corrode and form a flaky orange-red outer layer, copper that is exposed to the elements undergoes a series of chemical reactions that give the shiny metal a pale green outer layer called a patina.
Answered by
2
Answer:
due to the croding of copper
Explanation:
copper is reactive metal,then it react with air easily so cu change in green color
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