Chemistry · 2014
JEE Main · 12 April 2014, Shift 1 · Q44
Copper becomes green when exposed to moist air for a long period. This is due to:
Copper becomes green when exposed to moist air for a long period. This is due to :
Official answer
(2)
the formation of a layer of basic carbonate of copper on the surface of copper.
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JEE Main 2014 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.