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what are three examples of physical change?
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Asked 9/5/2011 3:31:45 PM
Updated 6/20/2014 8:32:21 AM
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User: what are three examples of physical change?

Weegy: At Room Temperature, Iron Is A Solid And Mercury Is A Liquid. ... The Specific Temperature At Which A Substance Changes From A Liquid To A Gas Is An Example Of A Chemical Bond? ... [ ]
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User: What are three examples of physical change and three examples of chemical change?

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Asked 9/5/2011 3:31:45 PM
Updated 6/20/2014 8:32:21 AM
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Examples of Physical Changes - crumpling a sheet of paper,melting an ice cube and breaking a bottle.
Examples of Chemical Changes - burning wood,dissolving salt in water and digesting food.
Added 6/20/2014 8:30:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/20/2014 8:32:19 AM], Rated good by andrewpallarca
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When is a sample of matter considered a pure substance?
Weegy: Objects that take up space and have mass are called matter. Everything around you is made up of matter. Chocolate cake is made up of matter. (More)
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Updated 7/13/2015 10:31:39 AM
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A sample of matter is considered a pure substance when it consists of only one kind of molecule: e.g. water with nothing else in it.
Added 7/13/2015 10:31:39 AM
This answer has been confirmed as correct and helpful.
When is a sample of matter considered a pure substance?
Weegy: Once it has only one element in it, it is pure. (We hope weegy was able to help you today! Have a great one! :) (More)
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Updated 7/13/2015 10:32:31 AM
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A sample of matter is considered a pure substance when it consists of only one kind of molecule: e.g. water with nothing else in it.
Added 7/13/2015 10:32:31 AM
This answer has been confirmed as correct and helpful.
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