Original Project
Substances, Chemical Reactions, and Conservation of Matter
Item SC101003: Bubbles of gas forming as a seashell is placed in vinegar is an example of a chemical reaction.
Which of the following is an example of a chemical reaction?
- A piece of wax melting and forming a liquid
- A piece of chalk making white marks on a chalkboard
- Bubbles of gas forming when a seashell is placed in vinegar
- A powder dissolving in hot water to make hot chocolate
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 3537 |
6–8 n = 2423 |
9–12 n = 1094 |
Male n = 1661 |
Female n = 1802 |
English n = 3135 |
Other n = 315 |
||
| A. | A piece of wax melting and forming a liquid | 18% | 19% | 16% | 19% | 18% | 17% | 27% |
| B. | A piece of chalk making white marks on a chalkboard | 9% | 9% | 9% | 12% | 7% | 9% | 13% |
| C. | Bubbles of gas forming when a seashell is placed in vinegar | 53% | 51% | 59% | 52% | 55% | 55% | 40% |
| D. | A powder dissolving in hot water to make hot chocolate | 19% | 21% | 16% | 18% | 21% | 19% | 20% |