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Physical Science with Earth and Science
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Physical and Chemical Changes
Worksheet
Grade Level
Physical Science with Earth and Science
9.13 Physical and Chemical Changes
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An open cup contains vinegar and baking soda. The mass measured after fizzing is lower than before. Which explanation is best?
A
Matter was destroyed during the chemical reaction
B
Only a physical change occurred because mass changed
C
The reactants became weightless
D
A gas product escaped into the air from the open cup
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