Question
Answer some questions about protecting yourself in the lab from dangerous chemicals, for 10 points each.
[10e] Any reaction that can emit toxic gases should be done inside this apparatus, which is under negative pressure and has a large glass sash that can be lowered.
ANSWER: fume hood
[10h] Air-free reactions can be conducted in a glovebox or by using this apparatus, which has one vacuum manifold and another manifold that pumps inert gas into the sample.
ANSWER: Schlenk line
[10m] The manifolds in a Schlenk line may have several of these things. A typical buret used for titration has one of these apparatuses at the bottom to regulate the flow of titrant through the nozzle.
ANSWER: stopcock [do not accept or prompt on “stopper”]
<Eric Mukherjee , Science - Chemistry - Analytical/Lab>
Summary
| 2023 NASAT | 06/17/2023 | Y | 7 | 15.71 | 100% | 43% | 14% |
Data
| California | Illinois Orange | 10 | 10 | 10 | 30 |
| Illinois White | Kentucky A | 10 | 0 | 0 | 10 |
| PENNSYLVANIA | Maryland Gold | 10 | 0 | 0 | 10 |
| New Jersey A | Asia A | 10 | 0 | 0 | 10 |
| Ohio | Maryland Red | 10 | 0 | 0 | 10 |
| Virginia | New Jersey B | 10 | 0 | 10 | 20 |
| Illinois Blue | Missouri A | 10 | 0 | 10 | 20 |