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Is sand flowing through an hour glass an chemical or physical change?
Wiki User
∙ 9y ago
It is not really a change, at all. Sand is moving from one spot to another. If it truly had to be categorized, I would put it under a physical change.
A physical change would be a change in an object you can see with your eyes. However, the chemical makeup of that object does not change. In other words, no new chemical is formed.
For example, water may freeze or evaporate, but the chemical makeup of water, no matter what state it is in, is H2O.
A chemical change would would result in the formation of one or more new chemicals.
For example, burning paper is a chemical change. You have paper and fire, and when you burn the paper up, it gives off CO2, and charred paper, which is different from regular paper.
Wiki User
∙ 9y ago
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Is Cleaning a painted surface with acid a chemical or physical change?
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These marshmallows are going through a chemical change. How is this different from a physical change?
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Are tarnishing and rusting physical or chemical changes?
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Is copper conduct electricity a chemical change or a physical change?
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That is a physical change.
How do you classify a rose?
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It is a chemical change. Through corrosion, a chemical reaction has taken place.
Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
Is peeling an apple a physical or chemical change?
it is a chemical change
Is crushing charcoal into powder a physical or chemical change?
Chemical I think
When cesium metal reacts explosively with water does it go through a physical change or a chemical change?
chemical
