Item SB045002: 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?
- Salt crystals being crushed into a powder
- A powder dissolving in hot water to make hot chocolate
- The water from sweat evaporating off of your skin and into the air
- Proteins from food being broken down into amino acids in your digestive system
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 278 | 378 | 74% |
| Grades | |||
| 6–8 | 278 | 378 | 74% |
| 9–12 | N/A | N/A | N/A |
| Gender | |||
| Male | 148 | 207 | 71% |
| Female | 130 | 171 | 76% |
| Primary Language | |||
| English | 264 | 350 | 75% |
| Other | 14 | 28 | 50% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 325 | 378 | 86% |
| Grades | |||
| 6–8 | 325 | 378 | 86% |
| 9–12 | N/A | N/A | N/A |
| Gender | |||
| Male | 176 | 207 | 85% |
| Female | 149 | 171 | 87% |
| Primary Language | |||
| English | 308 | 350 | 88% |
| Other | 17 | 28 | 61% |