Which of the following examples represents a physical change?
Chemical and Physical Changes

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Chemistry
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
2.
FLASHCARD QUESTION
Front
When sugar dissolves in water, what type of change occurs?
Back
Physical change
3.
FLASHCARD QUESTION
Front
What type of change occurs when hydrochloric acid reacts with potassium hydroxide to produce a salt, water, and heat?
Back
Chemical Change
4.
FLASHCARD QUESTION
Front
Which of the following is evidence of a physical change?
- New substance
- Shape Change
- Light produced
- Gas released
Back
Shape Change
5.
FLASHCARD QUESTION
Front
A physical change is
Back
a change where the characteristics do not change the substance
6.
FLASHCARD QUESTION
Front
Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change.
Back
Physical then Chemical
7.
FLASHCARD QUESTION
Front
chemical change
Back
any change that results in the formation of one (or more) new chemical substance(s).
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