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What is the corrosion on a penny?
The corrosion on a penny is typically a greenish-blue substance called copper oxide that forms when the copper in the penny reacts with oxygen in the air and moisture. This process is known as oxidation and can give the penny a dull or tarnished appearance.
What liquid can clean a penny better?
A mixture of vinegar and salt or lemon juice and salt can effectively clean a penny by removing oxidation and dirt. These acids help dissolve the tarnish and reveal the shiny copper surface of the penny.
Is a penny shiny or dull?
A penny can be shiny when it is new, but it typically becomes dull over time due to oxidation and wear. Regular handling and exposure to the elements can cause the penny's surface to lose its shine and become more dull in appearance.
What liquids make a penny green?
A penny can turn green when exposed to acidic liquids like lemon juice or vinegar, which cause a chemical reaction with the copper in the penny to create a greenish patina. Saltwater can also cause a copper penny to turn green over time due to oxidation.
In which substance does chlorine have an oxidation number of plus 5?
Chlorine has an oxidation number of +5 in compounds such as perchlorate (ClO4-). This is due to the electronegativity of oxygen, which causes chlorine to have a higher oxidation state in the compound.
What chemical weathering called oxidation causes and nbsp?
what chemical weathering called oxidation causes
What type of weathering makes iron change colors?
oxidation causes iron to change color. oxidation causes rust.
What causes boat oxidation?
-Waves
Why doesn't the penny get clean with water?
Water doesn't react with the oxidation on the coin.
What is the corrosion on a penny?
The corrosion on a penny is typically a greenish-blue substance called copper oxide that forms when the copper in the penny reacts with oxygen in the air and moisture. This process is known as oxidation and can give the penny a dull or tarnished appearance.
Oxygen in air causes iron to rust so iron and oxygen are what in this process?
In this process, iron is the reactant undergoing oxidation, while oxygen is the reactant driving the oxidation reaction that causes iron to rust.
How can bromine oxidation harm the ozone layer?
Bromine oxidation causes ozone depletion. Bromine utilizes the oxygen from ozone to deplete it.
What is the color of the penny?
The color of a penny is typically a copper color, which is a reddish-brown hue. However, over time and with wear, pennies may darken in color due to oxidation.
What liquid can clean a penny better?
A mixture of vinegar and salt or lemon juice and salt can effectively clean a penny by removing oxidation and dirt. These acids help dissolve the tarnish and reveal the shiny copper surface of the penny.
Is a penny shiny or dull?
A penny can be shiny when it is new, but it typically becomes dull over time due to oxidation and wear. Regular handling and exposure to the elements can cause the penny's surface to lose its shine and become more dull in appearance.
What can cause a chemical change of iron?
oxidation causes rust to form
What causes artifacts to rust?
Rusting is the oxidation of iron in a humid environment.
