An Jewellery was left exposed to the atmosphere for some time and it becomes coated with green carbonate. The Jewellery is made up of which of the following? [A] Copper[B] Silver[C] Zinc[D] GoldShow AnswerCorrect Answer: A [Copper]Advertisement Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...
