Question

casey is ready for lab. He has on all necessary lab attire, and he has read through his procedure. He looks at his procedure and sees that it tells him to use a test tube to conduct a reaction. The test tube will need to be heated. Casey picks up the test tube, places the necessary substances inside, and heats the test tube. Which lab safety rule did Casey break

Answer 1

Rules that Casey breaks:

He didn't carefully examine the glassware before utilizing it.

Lab safety rules:

1. Accidents do occur. Even a slight angle heating of the test tube can cause heating liquid to shoot out of the test tube. This is why the experimenter must always wear safety glasses and the test tube must be positioned away from any other individuals.
2. Avoid smelling or tasting chemicals.
3. Properly dispose of lab waste.
4. Avoid self-experimenting.
5. Avoid eating or drinking in the lab.
6. Unless instructed otherwise by your teacher, never pour any chemicals down the sink.
7. Always dispose of broken glass in the appropriate container. Never throw broken glass in the trash.
8. Always be aware of where the safety equipment is and how to use it.
9. Always leave your lab station completely clean. Always take your time and never leave any containers open.

Learn more about the lab safety rule here,

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