From what observations can you concluded that a chemical change is occurring?
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14
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Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change
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The following observations conclude that a chemical change is occurring :
a) Change it color
b) Change in odor
c) Release or absorption of energy in the form heat, light or sound
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