Laboratory Safety Guidelines Quiz
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Questions and Answers

What is the correct method for handling a plug when disconnecting it from an electrical socket?

  • Use both hands to twist the plug out of the socket.
  • Disconnect using your body weight to pull the plug.
  • Grasp the plug firmly while keeping hands dry. (correct)
  • Pull the cord to disconnect it quickly.
  • When transporting acids in a laboratory, what is the recommended practice?

  • Carry them in a horizontal position for convenience.
  • Always place them inside another container.
  • Hold them securely and walk carefully. (correct)
  • Place them on a cart to avoid manual handling.
  • What should be done if you encounter chipped or cracked glassware?

  • Examine it further before deciding to use it.
  • Immediately discard it without using. (correct)
  • Use it cautiously as long as it's clean.
  • Ensure it is cleaned before use.
  • How should flammable hazardous liquids be handled?

    <p>Handle them over a pan to contain any spills.</p> Signup and view all the answers

    What should you use to fill a pipet instead of mouth suction?

    <p>A rubber bulb or pipet pump.</p> Signup and view all the answers

    What is the proper way to clean up broken glass in the laboratory?

    <p>Use a brush and dustpan and place it in the designated disposal container.</p> Signup and view all the answers

    What is the correct order when diluting strong acids?

    <p>Always add acid to water, swirling the solution.</p> Signup and view all the answers

    What should be done with damaged electrical equipment in a laboratory?

    <p>Report it immediately to the supervisor.</p> Signup and view all the answers

    What is the recommended use of wash bottles in a laboratory setting?

    <p>Only with distilled water for rinsing and adding water.</p> Signup and view all the answers

    What should you do with chemicals after completing an experiment in the laboratory?

    <p>Dispose of them in the designated waste containers.</p> Signup and view all the answers

    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.

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