Question

identify 10 safety rules to keep in mind while working in the chemistry lab. select one or more. smell chemicals by wafting them rather than putting your nose in directly. wear lab gloves as instructed. broken glassware can be thrown in the garbage. do not pipet directly from or pour anything back into a reagent bottle. chewing gum is ok in lab. know where safety equipment is located around the lab. wear anything you are comfortable in to lab. dispose of chemicals into the proper waste containers as instructed. always wear eye protection when in the lab. feel free to perform any experimentation youre curious about. pull back long hair and any dangling accessories or clothing in lab. do not pipet by mouth. report any injury in the lab to your instructor. only remove your gloves after leaving the lab room. do not eat or drink in lab.

Explanation:

1. Smelling chemicals by wafting prevents inhaling large amounts of potentially harmful substances.
2. Wearing lab - gloves as instructed protects hands from chemical contact.
3. Broken glassware should not be thrown in the garbage as it can cause injury; it has special disposal methods.
4. Not pipetting directly from or pouring back into a reagent bottle prevents contamination.
5. Chewing gum in the lab is not allowed as it can be a distraction and may accidentally come into contact with chemicals.
6. Knowing the location of safety equipment is crucial in case of emergencies.
7. Wearing appropriate lab - attire, not just anything comfortable, is important for safety.
8. Disposing of chemicals in proper waste containers prevents environmental and safety hazards.
9. Wearing eye protection safeguards eyes from chemical splashes or fumes.
10. Performing only authorized experiments is necessary to ensure safety.
11. Pulling back long hair and dangling items prevents them from getting caught in equipment or coming into contact with chemicals.
12. Not pipetting by mouth avoids ingesting chemicals.
13. Reporting injuries immediately ensures proper treatment.
14. Removing gloves only after leaving the lab room prevents spreading chemicals outside the lab.
15. Not eating or drinking in the lab prevents accidental ingestion of chemicals.

Answer:

• A. Smell chemicals by wafting them rather than putting your nose in directly
• B. Wear lab gloves as instructed
• D. Do not pipet directly from or pour anything back into a reagent bottle
• F. Know where safety equipment is located around the lab
• H. Dispose of chemicals into the proper waste containers, as instructed
• I. Always wear eye protection when in the lab
• K. Pull back long hair and any dangling accessories or clothing in lab
• L. Do not pipet by mouth
• M. Report any injury in the lab to your instructor
• N. Only remove your gloves after leaving the lab room
• O. Do not eat or drink in lab