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A change in color during a reaction is often a sign that a chemical change has occurred
A change in color during a reaction is often a sign that a chemical change has occurred. True.
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Asked 5/28/2014 7:36:24 PM
Updated 5/29/2014 6:48:53 AM
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A change in color during a reaction is often a sign that a chemical change has occurred
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paral
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A change in color during a reaction is often a sign that a chemical change has occurred.
True.
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Added 5/29/2014 6:48:53 AM
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Liquids tend to contract when heated.
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Updated 5/29/2014 6:09:49 AM
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8
paral
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Liquids tend to contract when heated.
False.
Added 5/29/2014 6:09:49 AM
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The particles in a gas cannot be compressed into a smaller volume.
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Updated 5/29/2014 6:13:13 AM
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The particles in a gas cannot be compressed into a smaller volume.
False.
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A physical change differs from a chemical change in that waste products are formed through chemical changes.
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Updated 5/29/2014 6:44:37 AM
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paral
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A physical change differs from a chemical change in that waste products are formed through chemical changes.
True, but not in all cases as not all chemical changes have waste products.
Added 5/29/2014 6:44:37 AM
This answer has been confirmed as correct and helpful.
Indications of a chemical change include light, heat, and gas production.
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Updated 5/28/2014 8:33:21 PM
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jeifunk
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TRUE. Indications of a chemical change include light, heat, and gas production.
Added 5/28/2014 8:33:21 PM
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Characteristics of matter that can be observed without changing the composition
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Updated 5/28/2014 11:05:22 PM
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jeifunk
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Physical properties can be observed or measured without changing the composition of matter.
Added 5/28/2014 11:05:22 PM
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