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Physics, 17.12.2020 22:40 shaheedbrown06

Which of the observations indicates that a chemical change has occurred? A
A tray of water evaporates while sitting on a window sill.

B
A flashlight feels warm after it has been on for a long time.

C
A gas is generated when two liquids are mixed together.

D
Paint dries after it is applied to a wall.

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Answers: 1

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Which of the observations indicates that a chemical change has occurred? A
A tray of water e...
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