Questions and Answers
What is the correct method for handling a plug when disconnecting it from an electrical socket?
When transporting acids in a laboratory, what is the recommended practice?
What should be done if you encounter chipped or cracked glassware?
How should flammable hazardous liquids be handled?
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What should you use to fill a pipet instead of mouth suction?
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What is the proper way to clean up broken glass in the laboratory?
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What is the correct order when diluting strong acids?
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What should be done with damaged electrical equipment in a laboratory?
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What is the recommended use of wash bottles in a laboratory setting?
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What should you do with chemicals after completing an experiment in the laboratory?
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Study Notes
Laboratory Safety Guidelines
- Fill wash bottles exclusively with distilled water for rinsing glassware and equipment, or for adding water to containers.
- Always grasp the plug when removing an electrical device from its socket; ensure hands are dry before touching any electrical components.
- Inspect glassware prior to each use, avoiding any with chips, cracks, or dirt to prevent contamination or injury.
- Report any damaged electrical equipment, including frayed cords or exposed wires, immediately to ensure safety.
Pipetting and Chemical Handling
- Never use mouth suction to fill a pipet; instead, utilize a rubber bulb or pipet pump for safety.
- When transferring reagents, keep containers at a distance from your body to minimize exposure to spills.
- Handle acids with caution; always add acid to water, gently swirl the mixture, and be aware of heat production, especially with sulfuric acid.
- Perform all work with flammable liquids over a pan to catch spills; avoid using flammable liquids near open flames or heat sources.
Chemical Transport and Glassware Management
- Do not remove chemicals or materials from the laboratory area to maintain safety and compliance.
- Exercise caution when carrying acids or chemicals within the lab; hold them securely and navigate carefully.
- Carry glass tubing upright to reduce the risk of breakage and associated injuries.
- Use a brush and dustpan to handle broken glass; dispose of it in designated glass waste containers to prevent cuts or injuries.
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Description
Test your knowledge on essential laboratory safety procedures. This quiz covers important practices for handling glassware and electrical equipment to ensure a safe working environment. Review these critical guidelines and ensure you are prepared for safe lab operations.