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Physics, 20.10.2020 21:01 kenisonpaigebosma

Which of the following examples shows that a chemical reaction has occurred? O A solid is formed when heat is removed from a sample of water.
A rock breaks into smaller pieces when it is struck with a hammer.
O A cup of water turns pink when a few drops of red food coloring are added.
Bubbles form when baking soda is added to vinegar and mixed.

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Which of the following examples shows that a chemical reaction has occurred? O A solid is formed wh...
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