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Quizzes > High School Quizzes > Electives

Lab Safety Quiz Practice Test

Prepare with chemistry and equipment safety questions

Difficulty: Moderate
Grade: Grade 9
Study OutcomesCheat Sheet
Paper art depicting trivia quiz on Lab Safety Essentials for high school science students.

What is the primary purpose of wearing personal protective equipment (PPE) in a laboratory?
To protect against exposure to hazardous chemicals and injuries.
To look fashionable while working.
To comply with lab uniform regulations only.
To show off technological gadgets.
PPE is essential for protecting individuals from harmful chemicals and physical injuries. It serves as the first line of defense in preventing accidents in the lab.
Which of the following items is considered essential lab PPE?
Safety goggles
Flip-flops
Baseball cap
Necktie
Safety goggles protect your eyes from chemical splashes and other hazards. They are a basic requirement in most laboratory settings to prevent injury.
If you spill a small amount of a non-reactive liquid in the lab, what should you do first?
Notify your instructor or lab supervisor immediately.
Ignore it and continue with your work.
Clean it up with your hands.
Cover it with other chemicals.
Notifying a supervisor ensures that the spill is cleaned safely and properly to avoid potential hazards. Prompt reporting helps prevent accidents and ensures proper lab maintenance.
Where should you go immediately if you experience a chemical splash in your eyes?
The eyewash station
The storage closet
The break room
An adjacent lab
Eyewash stations are specifically designed to flush chemicals from your eyes quickly. Immediate use can reduce damage and is a critical step in emergency response.
Why is it important to properly label all chemicals in a laboratory?
To ensure safe handling and identify potential hazards.
To decorate the storage cabinets.
To enable faster inventory counts only.
To confuse unauthorized personnel.
Proper labeling helps everyone in the lab quickly identify chemicals and understand risks associated with them. This practice is vital for safe handling, storage, and emergency response.
What is the importance of reading a chemical's Safety Data Sheet (SDS) before use?
It provides important information on hazards, handling, and first-aid measures.
It contains marketing information about the chemical.
It only lists the chemical's price and supplier.
It is optional and only used for advanced research.
The SDS contains vital safety information about chemicals. Reading it ensures that you handle the chemical properly, understand its risks, and know the emergency procedures if needed.
Which of the following best describes the correct use of a fume hood?
Work inside with the sash lowered to the prescribed level and avoid blocking airflow.
Place your hands in front of the sash at all times for better reach.
Allow the fume hood to be used as extra bench space.
Keep the sash fully open to observe the entire lab.
Using a fume hood correctly involves lowering the sash to the recommended level to contain and exhaust hazardous fumes. Blocking airflow or misusing the space can reduce its effectiveness in protecting you.
What is the proper protocol if you notice a malfunctioning Bunsen burner during an experiment?
Stop using it immediately and report the issue to your supervisor.
Try to fix it yourself without proper training.
Continue using it cautiously.
Use it only for a short period to complete the experiment.
A malfunctioning Bunsen burner poses significant risks, so it should be taken out of service immediately. Reporting the issue allows trained personnel to fix it and ensures overall lab safety.
How should broken glassware be handled in a laboratory setting?
Clean up using a brush and dustpan, and dispose of it in a designated glass disposal container.
Sweep it into a regular trash bin.
Pick it up with your hands carefully.
Leave it until you finish the experiment.
Broken glassware should be carefully swept up and disposed of in a container meant for sharps. Handling it properly minimizes injury and maintains a safe working environment.
What should you do if you are unsure about the procedure for an experiment?
Ask your instructor or refer to lab guidelines before proceeding.
Guess and proceed cautiously.
Skip the safety steps to save time.
Perform the experiment without any consultation.
If you're uncertain about a procedure, it is critical to seek guidance to avoid potential hazards. Consulting with an instructor ensures that you understand all safety protocols before moving forward.
Which method is considered appropriate for disposing of chemical waste?
Following the lab's specific chemical waste disposal guidelines.
Pouring it down the drain.
Mixing it with regular trash.
Dumping it in an open container.
Chemical waste must be disposed of according to the laboratory's safety guidelines to prevent environmental contamination and hazardous reactions. Adhering to these protocols is essential for lab safety.
Why is it important to know the location of emergency shut-off switches or valves in the lab?
They allow you to quickly stop dangerous systems in case of an emergency.
They make the lab look more organized.
They are used for routine maintenance only.
They help in regular lab operations unrelated to safety.
Emergency shut-off switches or valves are crucial for stopping equipment that may be causing a hazard rapidly. Knowing their locations helps to mitigate risks during emergencies and can prevent accidents from escalating.
What does the term 'incompatible chemicals' refer to?
Chemicals that should not be stored or mixed together due to potential hazardous reactions.
Chemicals that cannot dissolve in water.
Chemicals sourced from different manufacturers.
Chemicals used for entirely different experiments.
Incompatible chemicals are substances that can react dangerously if combined. Proper storage and handling are critical to prevent accidents and ensure lab safety.
Why must food and drinks be kept away from lab work areas?
To avoid contamination from chemicals and biological samples.
Because food can distract you from work.
They might stain the lab countertops.
To maintain cleanliness for visitors.
Food and drinks can become contaminated by hazardous chemicals or microbes found in the lab. Keeping them separate prevents accidental ingestion of dangerous substances.
What role does proper housekeeping play in maintaining lab safety?
It prevents accidents and reduces the risk of contamination.
It is only for aesthetic purposes.
It makes it easier to find lab equipment.
It is a secondary concern after experiments have started.
Proper housekeeping involves keeping the lab clean and organized, which is critical for preventing accidents such as slips or chemical spills. It also aids in the quick identification of hazards.
During a chemical spill involving a volatile solvent, what immediate actions should you take?
Alert others, evacuate the area if necessary, and notify the supervisor immediately.
Attempt to clean it without any protective gear.
Ignore the spill if it seems minor.
Dilute it by adding water without instructions.
When dealing with volatile solvents, your primary concern is safety. Evacuating the area, alerting others, and notifying the supervisor are critical steps to prevent further harm and ensure proper cleanup.
How should you respond if you notice a peer repeatedly neglecting essential lab safety protocols?
Approach them with concern and, if necessary, report to the instructor.
Join them to avoid being singled out.
Ignore the behavior to avoid conflict.
Publicly confront them in front of everyone.
It is important to address safety issues in the lab to protect everyone. A considerate approach followed by reporting to an authority if needed ensures that unsafe behaviors are corrected before they cause an accident.
In an experimental setup involving open flames and flammable chemicals, what additional precaution should you consider?
Ensure that no ignition sources are nearby and use flame-resistant materials.
Increase the flame intensity for faster results.
Combine chemicals quickly to minimize exposure time.
Work without PPE to improve ventilation.
Open flames and flammable chemicals create a high-risk scenario. Preventing ignition sources and ensuring that materials are flame-resistant are critical safeguards against fires or explosions.
What procedure should be followed before conducting an experiment with new or unfamiliar chemicals?
Consult the SDS, perform a risk assessment, and seek guidance from an instructor.
Rely solely on the instructions written on the bottle.
Use a minimal amount and proceed without further checks.
Ask a peer without verifying the information.
Before handling unfamiliar chemicals, it is imperative to review their SDS and assess any potential hazards. This ensures that you are aware of the risks involved and follow proper emergency and handling procedures.
In the event of a gas leak in the laboratory, what is the most appropriate evacuation procedure?
Immediately cease all work, alert others, and follow the designated evacuation route.
Turn off the gas valves and wait for further instructions in the area.
Gather your belongings before evacuating.
Continue working if the leak seems minor.
Gas leaks pose a serious risk and require prompt evacuation. Following the designated safety procedures ensures that everyone leaves the hazardous area effectively, reducing the chance of inhalation or ignition.
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Study Outcomes

  1. Understand critical laboratory safety protocols and guidelines.
  2. Identify potential hazards and risks in a laboratory setting.
  3. Apply appropriate safety measures during experiments.
  4. Analyze emergency procedures and equipment usage effectively.
  5. Evaluate personal and environmental safety practices in the lab.

Chemistry Lab Safety Cheat Sheet

  1. Gear up with PPE - Think of safety goggles, gloves, and lab coats as your superhero armor against spills and splashes. Suiting up means you're ready to tackle any messy experiment without fear. NIOSH PPE Guide
    2. NIOSH PPE Guide
  2. Know your safety stations - Familiarize yourself with eyewash stations, safety showers, and fire extinguishers so you can spring into action if things go sideways. A quick tour now can save you precious seconds later. CMU Lab Safety
    3. CMU Lab Safety
  3. Food and lab don't mix - Never eat, drink, or apply cosmetics in the lab to avoid accidental contamination or ingestion of weird chemicals. Your sandwich is best enjoyed far, far away from Bunsen burners. Lab Manager Safety Practices
    4. Lab Manager Safety Practices
  4. Handle chemicals with care - Read labels twice, never pour leftover chemicals back into the original container, and always pour acids into water to dodge explosive surprises. Respecting the rules keeps your experiments - and fingers - intact. Educators' Safety Guidelines
    5. Educators' Safety Guidelines
  5. Tidy workspace, tidy mind - Keep your bench clutter-free to avoid accidental mix-ups or spills. Stashing backpacks and textbooks elsewhere lets you focus on science, not on dodging stray pipettes. UFT Lab Rules
    6. UFT Lab Rules
  6. Report every incident - No accident is "too small" to mention. Alert your instructor right away to clean up fast and learn how to avoid repeat performances. StudyGS Lab Safety
    7. StudyGS Lab Safety
  7. Use the wafting technique - Never stick your nose directly over a beaker - wave your hand gently above the opening to smell chemicals safely. It's like turning science into a mini breeze experiment. Chemistry Talk Rules
    8. Chemistry Talk Rules
  8. Secure loose ends - Tie back long hair and keep baggy sleeves out of the way to avoid flame or equipment mishaps. A neat appearance equals a safe scientist. UFT Lab Rules
    9. UFT Lab Rules
  9. Buddy up in the lab - Never fly solo; always work with a partner or instructor nearby. Two sets of eyes double your safety net and your fun. StudyGS Lab Safety
    10. StudyGS Lab Safety
  10. Dispose waste properly - Follow your instructor's instructions for disposing of chemicals and sharps - the environment (and your school's reputation) will thank you. Proper waste disposal is the grand finale of a lab well done. Educators' Safety Guidelines
    11. Educators' Safety Guidelines
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