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COPPER TURNINGS - Copper Turnings are the shavings of copper metal (often left after manufacturing of copper goods in factories are used mostly in schools for studying chemical reactions as it provide more surface area for reaction than a piece of copper ). They have the same color as copper (reddish brown).
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Is a copper penny turning dark a chemical change or physical change?
Chemical.
NAME OF A metal that replaces silver from silver nitrate solution?
copper will replace silver in silver nitratesolution will precipitate silver and oxidize copper turning to copper nitrate
Is copper turning green when expose to environment a chemical change and why?
Yes, the green patina that forms on copper is a chemical change called oxidation. When copper reacts with oxygen and moisture in the air, it forms copper oxide and then copper carbonate, creating the green color seen on aged copper surfaces.
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
How can aluminum sulphate dissolve copper?
the aluminium is split with the sulphate ion. this leaves the sulphate on its own with a charge. the copper then takes the place of the aluminium turning the charge of the sulphate ion to neutral, this leaves the aluminium and copper sulphate.
When Iron is turning into rust and copper turning green is an example of what kind of erosion?
"chemical"
Can copper turning be used to test how pH affects copper corrosion?
Yes, copper turning can be used as a test specimen to observe the effects of pH on copper corrosion. By subjecting copper turnings to different pH solutions and monitoring the rate of corrosion, one can determine how pH influences the corrosion of copper. This experiment can help in understanding the behavior of copper in different environments.
What is the use of copper turning?
it is used as a catalyst in chemical reactions
What is the word for copper turning green?
The word is "oxidation", which in the case of copper is a three-step process where the copper oxidizes to copper oxide, then to cuprous or cupric sulfide, and then to copper carbonate. Copper carbonate is the green colored copper or patina that forms over time. The old name for this green patina is "verdigris".
Is something turning copper to green a chemical reaction?
ya mon.
Is a copper penny turning dark a chemical change or physical change?
Chemical.
How does one maintain copper hair without it turning brassy?
There are many different types of shampoos and conditioners as well as other hair care products that will help a person with copper hair keep it from turning brassy. Maintaining copper hair also depends on whether a person has natural copper hair or if it has been dyed the proper care depends on these factors.
Is turning of copper into green when exposed into environment physical or chemical change?
It is a chemical change.
What are examples of solids in a chemical change?
Examples of solids in a chemical change include baking soda (sodium bicarbonate) turning into carbon dioxide gas and solid copper turning into copper sulfate solution when reacting with sulfuric acid.
Is the penny turning green like the statue of liberty turning green?
No, the green color on a penny comes from oxidation of the copper in the coin, while the Statue of Liberty turned green due to the natural weathering of the copper material it is made of over time. Different mechanisms are at play in these two situations.
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...
NAME OF A metal that replaces silver from silver nitrate solution?
copper will replace silver in silver nitratesolution will precipitate silver and oxidize copper turning to copper nitrate
