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How is shredding a paper a non reversible physical change?
Shredding paper involves cutting it into smaller pieces, which alters its physical form without changing its chemical composition. Once paper is shredded, it cannot be reconstructed back into its original form, making it a non-reversible physical change.
Is coloring on a white piece of paper a physical change or a chemical change?
Coloring on a white piece of paper is a physical change because the color change is reversible and does not alter the chemical composition of the paper. The paper remains paper even after coloring on it.
Why is burning paper not a reversible change?
Burning paper is not reversible because the chemical bonds in the paper are broken down and converted into new substances, such as ash, smoke, and gases. These new substances cannot be easily converted back into the original paper structure, making the change irreversible.
Is a puddle evaporating a reversible or irreversible change?
Yes, evaporation is the changing of matter from a liquid to a gas. You can reverse this process through condensation which is the change from a gas to a liquid.
Is filtering a reversible or irreversible change?
Filtering is a reversible change because it can be undone by simply removing the filter and allowing the substances to mix again.
When the bread is cooked it turns to toast this change is not reversible describe a different non reversible change?
That is a chemical change. Physical changes can be undone. Burning a bit of paper is another non-reversible change.
Is tearing paper a physical Is tearing paper a reversible or irreversible change?
Tearing paper is a physical change that is reversible. It can be reversed by taping or glueing the torn pieces back together. The paper retains its chemical composition after tearing, making it possible to revert back to its original state.
How is shredding a paper a non reversible physical change?
Shredding paper involves cutting it into smaller pieces, which alters its physical form without changing its chemical composition. Once paper is shredded, it cannot be reconstructed back into its original form, making it a non-reversible physical change.
Is coloring on a white piece of paper a physical change or a chemical change?
Coloring on a white piece of paper is a physical change because the color change is reversible and does not alter the chemical composition of the paper. The paper remains paper even after coloring on it.
Why is burning paper not a reversible change?
Burning paper is not reversible because the chemical bonds in the paper are broken down and converted into new substances, such as ash, smoke, and gases. These new substances cannot be easily converted back into the original paper structure, making the change irreversible.
Is tearing of paper a reversible change?
No, tearing of paper is an irreversible change because once the paper is torn, it cannot go back to its original form as before tearing. The physical structure of the paper has been permanently altered.
What is the difference between a chemical change and a physical one?
chemical change is reversible whereas physical is irreversible e.g a paper after getting burnt cant be converted to paper again this is a physical change
Printing is an example for irreversible change?
Is printing a reversible change? Why?
Is paper a reversible or irreversible change?
it is an irreversable change as the original products can't be retained if there is a way to reverse it, i havent heard of it!
Is evaporating reversible or irreversible?
Yes, this change is reversible.
Is perfume evaporating a reversible change?
As I have learned, it is an irreversible change, so no its not a reversible change.
Why is crayons changing the color on paper a physical change?
Crayons changing the color on paper is a physical change because it does not alter the chemical composition of either the crayon or the paper. The change is reversible, as the color can be erased or removed without chemically altering the substances involved.
