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10 February, 04:14

Which is a sign of a chemical change? Question 6 options: Paint on a freshly painted wall dries and is no longer sticky. Ice cream melts when left at room temperature. Vinegar is mixed with baking soda resulting in carbon dioxide bubbles. Calcium chloride is dissolved in H2O and disappears.

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  1. 10 February, 04:36
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    I'm pretty sure it's: Vinegar is mixed with baking soda resulting in carbon dioxide bubbles.
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