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COMPOUND

Asked by 27th May 2008, 6:06 PM
Answered by Expert
Answer:

Copper hardly reacts with oxygen at all. It does react quite slowly with carbon dioxide and water and oxygen to form a green tarnish (basic copper carbonate), more quickly with salt spray and acid to form a different green tarnish (basic copper chloride) or very quickly with sulfur-containing gases to form a black tarnish (copper sulfide).

Answered by Expert 28th May 2008, 10:13 AM
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