Physical & Chemical Changes Video Lessons

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Problem: 3) Which of the following are chemical changes? Check all that apply.a) sugar is dissolved in waterb) a warm coke bottle fizzes when openedc) the copper roof turns green over timed) baking soda is dissolved in vinegar and bubbles appeare) a fog appears on your windshield in cold weather

FREE Expert Solution

Recall that a chemical change is where atoms rearrange themselves to create a new substance

Some signs of chemical change are

  • change in color
  • formation of a precipitate
  • formation of a gas
  • odor change
  • temperature change


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Problem Details

3) Which of the following are chemical changes? Check all that apply.
a) sugar is dissolved in water
b) a warm coke bottle fizzes when opened
c) the copper roof turns green over time
d) baking soda is dissolved in vinegar and bubbles appear
e) a fog appears on your windshield in cold weather

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