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Is a copper penny turning dark a chemical change or physical change?
Chemical.
Is copper metal turning green on exposure to air and water a physical or chemical change?
Yes it is a chemical change Because colour is changing and a new substance is forming and it's irreversible.
Does copper turn green by a chemical or physical change?
Copper turns green due to a chemical reaction with oxygen and other elements in the environment, forming a layer of copper oxide and copper carbonate on the surface. This process is known as oxidation and is a chemical change.
When A bronze statue develops a green coating (patina) over time is physical change or chemical?
It is chemical. The copper in bronze turns green when it oxidizes.
Copper turns a greenish color is it chemical or physical change?
The color change of copper to green is a chemical change. This is due to the formation of a green patina on the surface of the copper, typically caused by oxidation reactions with the air and moisture.
Is turning of copper into green when exposed into environment physical or chemical change?
It is a chemical change.
Is a copper penny turning dark a chemical change or physical change?
Chemical.
Is copper turning green when exposed to the environment a chemical change?
Chemical because it is being exposed to another compound and forming a new substance
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.
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 copper metal turning green on exposure to air and water a physical or chemical change?
Yes it is a chemical change Because colour is changing and a new substance is forming and it's irreversible.
Is the Statue of Liberty a physical change or a chemical change?
No its a chemical change because the acid in the rain reacts with the copper in the statue having a reaction oxidizing it and turning it green.
Does copper turn green by a chemical or physical change?
Copper turns green due to a chemical reaction with oxygen and other elements in the environment, forming a layer of copper oxide and copper carbonate on the surface. This process is known as oxidation and is a chemical change.
When Iron is turning into rust and copper turning green is an example of what kind of erosion?
"chemical"
What is the use of copper turning?
it is used as a catalyst in chemical reactions
Is copper turing green a physical or chemical change?
It's a chemical change. Copper oxidizes to form copper oxide, which is similar to iron rusting. A color change very often indicates a chemical change.
Is hammered copper a physical change?
Yes, hammered copper is a physical change. When copper is hammered, its shape and size change, but its chemical composition remains the same.
