Harjeet noticed that her silver bangle has turned black. Can you tell the reason behind it.Due to (1)Rancidity / ਦੁਰਗੰਧਤਾ ਕਾਰਨ / बदबू के कारण
(2) Due to corrosion / ਖੋਰਨ ਕਾਰਨ / खोरन के कारण
(3) Due to fermentation / ਖਮੀਰਨ ਕਾਰਨ / खमीरण के कारण
(4) None of these / ਇਨ੍ਹਾਂ ਵਿੱਚੋਂ ਕੋਈ ਨਹੀਂ / इनमें से कोई नहीं
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Answered by
7
Answer:
it's oxidation but no option given
Answered by
31
(2) Due to corrosion / ਖੋਰਨ ਕਾਰਨ / खोरन के कारण
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