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Which is a physical change?
a. A log of wood burns in a fireplace to produce ash.
b. Bubbles of carbon dioxide gas form when vinegar and baking soda are mixed.
c. Propane is burned to produce carbon dioxide and water vapor.
d. A statue is sculpted from a block of marble.



Answer :

Answer:

b. Bubbles of carbon dioxide gas form when vinegar and baking soda are mixed.

Explanation:

When vinegar and baking soda combine, they undergo a physical change resulting in the release of carbon dioxide gas. The substances remain the same; only their arrangement changes.

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