The setting: An exam in a non-science majors general science sort of course. The question: Natural uranium is 99.3% U-238 and 0.7% U-235. What is enriched uranium and what is is used for?
Here is a sampling of the most painful responses:
- Enriched uranium is uranium made to be more polar
- Enriched uranium is present in U-238 and used before
- Enriched uranium is used for buildings
- Enriched uranium is processed and used for cleaning
2 Comments:
Yikes. How many students in the class?
I share your pain.
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