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Chemical Properties Any ability to produce a change in the composition of matter.

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Presentation on theme: "Chemical Properties Any ability to produce a change in the composition of matter."— Presentation transcript:

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2 Chemical Properties Any ability to produce a change in the composition of matter

3 Flammability A material’s ability to burn in the presence of oxygen (O 2 )

4 Reactivity How a substance combines with other substances

5 Chemical Change A substance reacts and forms one or more new substances Examples: cake baking, apple rotting, food being digested

6 Signs of a chemical change Change in color Production of a gas Formation of a precipitate Production of heat or cold

7 Signs of a chemical change Fizzing and foaming Sound or light given off Change in odor

8 Physical Change Some of the properties change but the substances stay the same Some physical changes can be reversed, some cannot Examples: butter melting, slicing a tomato, getting your hair cut, melting ice

9 Chemical change vs. Physical change Chemical change: the type of matter that makes up the object and the way that the matter is arranged in the object changes Physical change: the composition remains the same


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