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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.
Is getting a haircut a physical change?
Yes because you are not changing it chemically.
Is oxygen becoming liquid physical or chemical?
The change of oxygen from a gas to a liquid is a physical change, as the substance itself remains the same chemically. The physical change involves altering the state of the molecules without changing their chemical composition.
Is molding a piece of silver a physical change?
Molding a piece of silver using heat is a physical change. This is because it is changing shape and not chemically changing the silver.
Is dissolving Physical change or Chemical change''?
is dissolving a chemical or physical changeWell, it is not. Because you are not changing the chemical identity of the solid. It's still solid chemically and water chemically.
Is a tire is inflated with air chemical or physical?
Inflating a tire with air is a physical change because it is not changing the tire chemically. It is only changing the physical appearance of the tire.
Is boiling does that changes as a physical or chemical?
Boiling is a physical change because the substance is changing from a liquid to a gas without changing its chemical composition.
Is Dry ice changing from a solid to a gas a physical change?
Physical changes can be undone, and the substance undergoing the change is still chemically the same thing. It is just in a different form.
How a physical property can change without changing the substance?
During a physical change the chemical formula is not changed.
Can a physical property change without changing the substance?
During a physical change the chemical formula is not changed.
Is state change a chemical or physical change?
It's a physical change, because being that the change occurs without any proper chemically activated source state change is natural.
What is a change that alters a substance without changing it into another substance?
Many physical changes will not alter the identity. However, some physical changes, such as heating or cooling will result in phase changes and so the identity will be different. While ice and water are chemically the same, they are not identical forms of the substance.
