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Chemistry, 12.09.2019 17:30 devin030505

Which of these could be a physical change?
a. wood is burned in a fireplace.
b. cake batter is baked in an oven.
c. a blue liquid and a yellow liquid mix and make a green liquid.
d. baking soda is mixed with vinegar to make carbon dioxide gas.

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Which of these could be a physical change?
a. wood is burned in a fireplace.
b. cake ba...
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