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Makovka662 [10]
2 years ago
11

Hydrogen peroxide breaks down to form water and oxygen gas. When this reaction occurred, the following observations were made:I.

The mass of the solution remains the same.II. Phase changes are observed.III. The color of the solution remains clear.IV. The temperature of the solution increases. Which observation is evidence that a chemical change has occurred?
Advanced Placement (AP)
1 answer:
Darya [45]2 years ago
3 0

Answer:

IV. The temperature of the solution increases.

Explanation:

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