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Copper turns green because if forms a coating of copper acetate upon exposure to air and moisture
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∙ 12y ago
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Why does copper tarnish and turn green?
copper tarnish and turn green because of present of iron in it.
Does silver turn green?
NO! copper turns green
Why does copper turn black when it meets oxygen?
Foolish Fools!, it does infact turn Green! because the oxygen bonds with the copper to form copper oxide, wich is green, it reflects different fractions of light to the copper
Why does a penny turn green in water?
The copper reacts with the oxygen in water to form copper oxide and hydrogen ions. This is copper oxide is a green compound.
Does oxidation turn copper green?
yes yes it does
When copper turns green when exposed to the environment a physical or chemical change?
First, copper doesn't "turn green," it reacts with oxygen in the air to form copper oxide. This is a chemical change, because copper oxide is a substance that was not there before.
Will the colour of copper turns to green due to overexposure to sodium chloride?
Copper will turn green when it's exposed to sodium chloride or salt.
Is copper turning green in the air physical change?
The reason that copper turns green is the same reason the metal rusts, oxidization. Both metal and copper oxidize when exposed to oxygen and this is a natural process. Copper that is exposed to the outside environment is more likely to turn green and that is why copper vases and decorative pieces in gardens are often green. Copper is a metal that does not react with water (H2O), but the oxygen of the air will react slowly at room temperature to form a layer of brown-black copper oxide on copper metal which looks like green sometimes...
Does copper turn green?
yes copper turns green when exposed to moist air for a long time as green metal is a mixture of copper hydroxide and copper carbonate 2CU+H2O+O2 --> CU(OH)2+CUCO3
Why does copper turn your skin green?
Several GREEN copper salts that can be created from combinations of copper and other chemicals such as copper sulfate, copper acetate etc. The Statue of Liberty is green as aiys copper covering is exposed to the salt water and heat. Your skin has many chemicals in sweat that attack the copper bands and allow them to corrode and oxudize turning the resulting chemicals green on your hand. You can also notice this action on copper wires that are exposed to the outside elements.
Do metals other than copper turn green?
No metal actually "turns green", although copper and possibly others develop surface layers that are green when exposed to many natural atmospheres. Copper turns green when it reacts with sulphur (sulfur) in the air, forming copper sulfide.
Why does copper tarnish and turn green?
copper tarnish and turn green because of present of iron in it.
If the green color of the copper coating that covers the statue of liberty is different from the color of a typical copper penny what caused the statue of liberty copper coating to turn green?
Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies. Acid in the rain reacted with the copper to turn it green. That is why there is sometimes green on pennies.
How is does fake jewelry turn your skin green if you have it long for a long time?
The reason some costume jewelry turns skin green is because the outer plating has worn off and the copper alloy metal underneath is exposed. It is the copper in the metal that is turning your finger green.
Does silver turn green?
NO! copper turns green
When does the grass turn green?
The grass turns green when it is exposed to sunlight.
Why do penny turn green?
The pennies turn green because they are open to the air, because they contain copper, and because copper turns green when oxidized.
