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Chemical reaction; this involves the breaking and forming of bonds between atoms which will change the properties of the substance (ex: rusting)

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14y ago
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4mo ago

A chemical change. This involves the formation of new substances with different properties from the original substances. Unlike physical changes, chemical changes are typically not reversible by simple physical means.

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Q: A change in which substances change into new substances that is not reversible?
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Why is mixed sand and water physical change?

because it is reversible and no new substances are formed


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.


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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.


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