Podcast
Questions and Answers
What should you do if acids spill on your skin?
What should you do if acids spill on your skin?
It is allowed to eat and drink inside the laboratory.
It is allowed to eat and drink inside the laboratory.
False
What should always be done when preparing dilute acid solutions?
What should always be done when preparing dilute acid solutions?
Always add acid to water.
Always wear a laboratory _____ while in the laboratory.
Always wear a laboratory _____ while in the laboratory.
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Match the safety rule with its purpose:
Match the safety rule with its purpose:
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What is the proper way to smell a chemical if instructed to do so?
What is the proper way to smell a chemical if instructed to do so?
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Students are allowed to perform any experiment they wish in the laboratory.
Students are allowed to perform any experiment they wish in the laboratory.
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When should waste acids be disposed of in the disposal jar?
When should waste acids be disposed of in the disposal jar?
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Study Notes
Laboratory Housekeeping & Safety Rules
- Always wear a laboratory gown to ensure personal safety and hygiene.
- Eating, drinking, smoking, and loitering are strictly prohibited to maintain a safe working environment.
- Only authorized personnel may be present in the laboratory; entertaining students from other classes is not allowed.
- Perform only scheduled experiments; unauthorized experiments are prohibited.
- Familiarize yourself with safety features including fire extinguishers, medicine cabinets, and the nearest fire exits for emergency preparedness.
- Prepare a complete requisition list for glassware and materials; check for defects and report any immediately.
- Use all reagents, water, and gas in an economical manner to reduce waste.
- Avoid direct contact with chemicals; use wafting techniques for odor tests if directed.
- Prevent contamination by using designated droppers or spatulas for each reagent.
- Handle corrosive acids and caustic substances carefully; use sodium bicarbonate for neutralizing spilled acids and dilute acetic acid for strong bases.
- When mixing solutions, always add acid to water, avoiding the reverse order to prevent dangerous reactions.
- Utilize a non-luminous flame under two inches when heating; ensure gas is turned off when burners are not in use.
- Allow heated objects to cool safely before handling to prevent burns.
- Employ pot holders for handling glassware to protect hands from heat.
- Report all accidents, including minor incidents, to the instructor for appropriate action.
- Dispose of insoluble refuse in designated waste cans, never in sinks.
- Pour waste acids into specific disposal jars to prevent environmental hazards.
- Use fume hoods when working with toxic or irritating gases to ensure proper ventilation.
- Record observations and experimental data immediately in your laboratory manual for accurate documentation.
- Clean and dry all glassware at least 20 minutes prior to the end of lab to prepare for subsequent users.
- Before leaving the laboratory, place chairs on tables and ensure that all utilities such as lights, fans, water, and gas are turned off.
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Description
Test your knowledge on essential laboratory housekeeping and safety rules. This quiz will cover important regulations regarding conduct in the laboratory environment. Make sure you're familiar with what is expected to ensure a safe and efficient lab experience.