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CHE 113 Lab safety
| Question | Answer |
|---|---|
| Why are safety goggles more effective than safety glasses? | glasses provide protection against splashed chemicals and fumes but not explosions. Vented goggles are adequate PPE |
| How long should you rinse your eyes at eyewash stations? | 15 minutes at least |
| What is considered appropriate PPE? | long sleeve shirt, long pants, socks, leather shoes, a lab coat/apron, (short sleeved shirts or tennis shoes are acceptable) |
| Can you wear gloves outside of the lab? | no you must take off gloves and wash hands before leaving the lab. |
| How long should a safety shower be used? | 15 minutes |
| What is the process for using a fire extinguisher? (PASS) | P-pull the pin A- aim at base of the fire S-squeeze the handle S- sweep the nozzle back and forth at base of fire |
| Are food a drink allowed in the lab? | no |
| What is an SDS sheet? | safety data sheet, provides information regarding the hazards associated with using specific chemicals |
| On SDS what do the specific colors represent? | Red-flammability blue-health yellow-chemical reactivity white-special hazards |
| What does a dead tree and fish in water surrounded by a red diamond border represent? | environmental hazard |
| What does the skull and crossbones with a red diamond boarder represent? | deadly hazards/toxic |
| what does the liquid in a test tube being poured out onto a surface and onto a hand surrounded by a red diamond represent? | corrosive |
| What does the flame with jagged edges within a red diamond border represent? | flammable |
| What does the exclamation mark within a red diamond boarder represent? | health risk |
| What is a reagent bench? | place where reagents are stored |
| Can acids bases and other major classes of chemicals be kept together? | no they must be stored separately |
| When should safety goggles be worn in the lab? who should be wearing them? | Always, everyone |
| What precautions are needed with long hair and beards? | Keep long hair tied back/keep hair away from flames. |
| Which technique is recommended for determining the odor of an unknown liquid in the lab? | Use a hand to fan some of the vapor from the test tube to the nose and inhale. |
| Where can information regarding specific chemical safety be found? | SDS |
| In order to safely handle dry ice, what kind of personal protective equipment should you use? | insulated gloves |
| A student fills a beaker with a solid material then uses roughly half of the material in an experiment. After the lab period is over, what should be done with the remaining unused material? | Dispose of the material in the proper waste container. |
| Be able to identify general lab equipment by picture | okay! |
Created by:
marlee05harris
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