Question:
Which of the following is an example of physical change?
A)Dew forms on a blade of grass.
See Also
Lesson 2.3: Changing State—Condensation - American Chemical Society10 Condensation Examples Common in Real LifeCondensation: Dew, Frost, Fog, Mist and CloudsEvaporation and Condensation - Definition, Applications and DifferenceB)A Halloween light stick glows after shaking.
C)An egg solidifies during cooking.
D)A hydrogen balloon explodes when contacted with a flame.
E)None of the above is a physical change.
Physical Changes:
Physical changes are changes that do not involve the formation of new chemicals. As a result, they are generally easily reversible. Chemical changes produce new chemicals and tend to be more difficult to reverse.
Answer and Explanation:1
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Option A is the correct answer. Dew is formed when water vapor condenses into water droplets. All state changes are physical changes because the same...
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