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See "Related Questions". Phase changes are reversible by adding or subtracting heat. In many cases chemical changes are not easily reversed.
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Earn +20 ptsQ: Why is a phase change only a physical change?
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Related questions
Is a phase change an example of a physical or chemical or nuclear or a covalent change?
Phase change is a physical change.
Are phase changes physical or chemical in nature?
A phase change is a physical change. It is not a chemical change.
Is a Chang in a phase a physical change or chemical Chang?
A change in phase is a physical process.
What is the phase change from a solid to a liquid?
The phase change from a solid to a liquid is called "melting."
When ethanol condenses and from the gaseous phase into the liquid phase is this a physical change or chemical change?
physical change- the composition of the ethanol is not effected
The vaponlization of liquid to gas is it physical change or chemical change?
A change in phase is a physical change.
When icicles form is it a physical or chemical change?
It is called a phase change.
Which type of property is a phase change?
Physical change
What is as specific type of physical change?
phase change
A specific type of physical change is a change Chemical Bond Size Phase?
It would be a phase change.
When boiling take place is the phase change a chemical or physical change?
Boiling is a physical change.
Is freeing a chemical or physical change?
I'm guessing your question is "Is freezing* a chemical or physical change?" and if it is, it is a physical change any phase change is a physical change
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