Item SC073002: Some chemical reactions can be reversed.
Which of the following statements about chemical reactions is TRUE?
- All chemical reactions are dangerous.
- Some chemical reactions can be reversed.
- Chemical reactions occur only in a laboratory.
- Chemical reactions require starting with at least two substances.
- Distribution of Responses
![Chart showing distrubtion of responses for Item SC073002](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|339933|76A4FB|76A4FB&chds=0,100&chd=t:11,19,7,63&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=SC073002-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 521 | 2751 | 19% |
Grades | |||
6–8 | 258 | 1638 | 16% |
9–12 | 261 | 1093 | 24% |
Gender | |||
Male | 266 | 1266 | 21% |
Female | 242 | 1428 | 17% |
Primary Language | |||
English | 458 | 2432 | 19% |
Other | 46 | 243 | 19% |
- Notes
- NGSS does not address the question of whether chemical reactions may be reversible.