Question

Two students mix vinegar and baking soda. They observe bubble forming, the baking soda dissolving, and the vinegar turning cloudy. They infer that chemical change has occurred. Which data support this inference

1. Baking soda dissolved
2. The vinegar turned cloudy
3. Light was given off
4. Bubbles formed

Answer 1

Correct Answer is no. 2.

Answer 2

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4. Bubbles formed.