Podcast
Questions and Answers
Flammable materials, like alcohol, should never be dispensed or used near?
Flammable materials, like alcohol, should never be dispensed or used near?
an open flame
When you finish working with chemicals, biological specimens, and other lab substances, you should always?
When you finish working with chemicals, biological specimens, and other lab substances, you should always?
wash hands with soap and water
If an acid is splashed on your skin, you should wash at once with?
If an acid is splashed on your skin, you should wash at once with?
a lot of water
If a piece of equipment is not working properly, you should stop, turn it off, and?
If a piece of equipment is not working properly, you should stop, turn it off, and?
Horseplay or practical jokes in the laboratory are?
Horseplay or practical jokes in the laboratory are?
The following footwear is best in the laboratory?
The following footwear is best in the laboratory?
In a laboratory, the following should not be worn?
In a laboratory, the following should not be worn?
Long hair in the laboratory must be?
Long hair in the laboratory must be?
Personal eyeglasses provide as much protection as goggles.
Personal eyeglasses provide as much protection as goggles.
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by?
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by?
When gathering glassware and equipment for an experiment, you should?
When gathering glassware and equipment for an experiment, you should?
You have been injured in the laboratory (cut, burn, etc.). First you should?
You have been injured in the laboratory (cut, burn, etc.). First you should?
You are heating a piece of glass and now want to pick it up. You should?
You are heating a piece of glass and now want to pick it up. You should?
If a laboratory fire erupts, immediately you should?
If a laboratory fire erupts, immediately you should?
Approved eye protection devices (such as goggles) are worn in the laboratory?
Approved eye protection devices (such as goggles) are worn in the laboratory?
If you wear contact lenses in the school laboratory, you should?
If you wear contact lenses in the school laboratory, you should?
If you do not understand a direction or part of a lab procedure, you should?
If you do not understand a direction or part of a lab procedure, you should?
After completing an experiment, all chemical wastes should be disposed of?
After completing an experiment, all chemical wastes should be disposed of?
If a lab experiment is not completed, you should?
If a lab experiment is not completed, you should?
You are heating a substance in a test tube. Always point the open end of the tube?
You are heating a substance in a test tube. Always point the open end of the tube?
Does hot glass look the same as cold glass?
Does hot glass look the same as cold glass?
All chemicals in the lab are to be considered dangerous.
All chemicals in the lab are to be considered dangerous.
Return all unused chemicals to their original containers.
Return all unused chemicals to their original containers.
Work areas should always be kept tidy and clean.
Work areas should always be kept tidy and clean.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
Never leave a lit burner unattended.
Never leave a lit burner unattended.
Never remove chemicals or other equipment from the laboratory.
Never remove chemicals or other equipment from the laboratory.
Chipped or cracked glassware is okay to use.
Chipped or cracked glassware is okay to use.
It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
All unauthorized experiments are prohibited.
All unauthorized experiments are prohibited.
Read all procedures thoroughly before entering the laboratory.
Read all procedures thoroughly before entering the laboratory.
Flashcards are hidden until you start studying
Study Notes
Laboratory Safety Guidelines
- Flammable materials, such as alcohol, must not be used near an open flame to prevent fires.
- Always wash hands with soap and water after working with chemicals and biological specimens.
- In case of acid contact with skin, immediate washing with plenty of water is essential.
- Report any malfunctioning equipment to your teacher without hesitation.
- Horseplay and practical jokes are strictly prohibited in the laboratory due to safety concerns.
- Closed-toed shoes are required in the laboratory for foot protection.
Personal Protective Equipment
- Loose clothing, dangling jewelry, and sandals should not be worn in the laboratory for safety reasons.
- Long hair must be tied back or secured to prevent accidents.
- Personal eyeglasses do not provide adequate protection; goggles are necessary when handling chemicals or heat.
- Contact lens wearers must inform their instructor for appropriate precautions.
Laboratory Procedures
- Lubricate glass tubing with water or glycerin before inserting into rubber stoppers, using gloves for protection.
- Gather glassware and equipment only after reading directions and checking for any defects.
- Report any injuries to your teacher immediately to receive proper care.
- Use tongs when handling hot glassware to avoid burns.
Emergency Responses
- In the event of a fire, notify your teacher right away to ensure safety protocols are followed.
- Dispose of chemical wastes according to your instructor's guidance after completing experiments.
- If unsure about any instructions, always ask your instructor before proceeding further.
General Safety Practices
- Always point test tubes away from people when heating to prevent accidents.
- Hot glass looks identical to cold glass; treat all glassware with caution.
- Assume all chemicals are hazardous regardless of their appearance.
- Used chemicals must never be returned to their original containers due to contamination risks.
- Keep work areas tidy and organized to minimize hazards.
Prohibited Actions
- Never attempt to start laboratory work without the instructor's presence and directions.
- Leaving a lit burner unattended is highly dangerous and strictly forbidden.
- Do not take chemicals or equipment out of the laboratory under any circumstances.
- Chipped or cracked glassware is unsafe and should not be used.
- Broken glass should never be handled with bare hands; proper disposal methods are necessary.
Compliance Rules
- Unauthorized experiments are never allowed in the laboratory.
- Read all procedures thoroughly before entering to ensure safety and understanding.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
