Lab Safety Questions

To call Campus Police during the day, one should call (XXX-XXXX).

788-3386

If someone is injured in the laboratory, the University Health Center should be informed. What is the phone number for the Health Center? XXX-XXXX

788-3437

Immediately after spilling a base on your skin you should A. Flood the area with copious amounts of water for at least 10-20 minutes. B. Do nothing because it does not burn. C. Quickly run the area under water just to rinse the area.

A. Flood the area with copious amounts of water for at least 10-20 minutes.

What is the first thing you need to do if someone is on fire? A. Get them to drop to the floor and roll. B. Wrap them in the fire blanket. C. Wrap them in the fire blanket.

A. Get them to drop to the floor and roll.

How long after a can of ether is opened should it no longer be used? A. One Month B. Two Weeks C. One Year D. Four Months E. Two Days

A. One Month

How can small fires in beakers etc. be extinguished? A.Place a watch glass or notebook on top of the beaker to restrict access to air and let it burn itself out. B. Blast the beaker with a CO2 fire extinguisher. C. Carry the burning beaker to the sink and put it out with the water there. D. None of the above are good ways to extinguish small fires.

A. Place a watch glass or notebook on top of the beaker to restrict access to air and let it burn itself out.

When working with flammable, volatile liquids everyone in the room must be careful because: A. the vapors are heavier than air, and they flow and concentrate along the top of the bench, on the floor, and in the sinks. B. the smell may affect your relationship with your roommates. C. the vapors may make everyone go to sleep.

A. the vapors are heavier than air, and they flow and concentrate along the top of the bench, on the floor, and in the sinks.

When attempting to dissolve a solid in a liquid that requires heating and swirling, one should use: A. Volumetric flasks B. Erlenmeyer flasks C. Beakers D. Graduated cylinders

B. Erlenmeyer flasks

Which is LESS dangerous? A. Pouring water into acids. B. Pouring acids into water. C. It doesn't matter.

B. Pouring acids into water.

If you are doing a distillation in the hood and a flammable liquid is spilled and catches fire inside the hood, you should: A. Use a CO2 fire extinguisher to put out the fire. B. Smother the fire with sodium bicarbonate (baking soda). C. Close the glass sash and let the fire burn itself out.

C. Close the glass sash and let the fire burn itself out.

If your laboratory partner is unfortunate enough to have a spill of a dangerous laboratory chemical over a large part of her/his body, you should: A. Get your camera and take pictures for your Facebook site. B. Run with your partner back to the dormatory and help him/her shower thoroughly. C. Get the laboratory blanket to cover your laboratory partner.

C. Get the laboratory blanket to cover your laboratory partner.

If all of the office doors are locked, the nearest On-campus-only Emergency phone is located: A. In the University Police Office. B. In the basement of Schwitzer Center. C. On the wall just inside the main door of Lilly Science Hall. D. At the Warren Hall Desk. E. At the student resources desk in Schwitzer Center.

C. On the wall just inside the main door of Lilly Science Hall.

How will flammable liquids be heated in this laboratory? A. With an open flame B. With matches C. With a hot plate or heating mantle

C. With a hot plate or heating mantle

What precaution should always be taken to keep flammable liquids from boiling too vigorously? A. boil on the highest temperature setting possible to reduce the time for accidents B. always boil liquids in an enclosed container C. always add new boiling chips to any liquid to be boiled

C. always add new boiling chips to any liquid to be boiled

To rapidly dry a piece of glassware, one should: A. blow compressed air through the apparatus. B. pack paper towels into the apparatus. C. draw a stream of air through the apparatus using the water aspirator.

C. draw a stream of air through the apparatus using the water aspirator

The problem with wearing a lot of hair spray in the chemical laboratory is that: A. your lab partner may be allergic to the chemicals in your hairspray. B. the hairspray makes your hair stiff enough to be dangerous when working in close quarters. (You'll poke someone's eye out!) C. the hairspray may make your hair more flammable increasing the risk when working with open flames or flammable material.

C. the hairspray may make your hair more flammable increasing the risk when working with open flames or flammable material.

Which of the following are ways that chemical poisons can enter the body. A. by ingestion (through the mouth) B. by absorption through the skin or mucous membranes (cuts may or may not be involved) C. by inhalation D. All of the above are ways that chemical poisons can enter the body.

D. All of the above are ways that chemical poisons can enter the body.

If you are unfortunate enough to have a spill of a dangerous laboratory chemical over a large part of your body, you should: A. Move immediately to the safety shower and pull the handle to activate water. B. Remove all affected clothing. C. Call for help from your lab partner, lab assistants, and lab instructor. D. You should do all of the above in this situation.

D. You should do all of the above in this situation.

Before starting work in the laboratory, you should always: A. Look up safety information on all chemicals to be used in the laboratory. B. Read and understand all procedures to be performed in the laboratory. C. Understand the proper use of all equipment to be used in the laboratory. D. You should do each one of these things each time you prepare to work in the laboratory.

D. You should do each one of these things each time you prepare to work in the laboratory.

If the building is evacuated because of a fire or a hazardous spill, you may reenter the building: A. if you need to get your books and personal effects to go to another class. B. when you are sure that the situation is safe. C. when the instructor reenters the building. D. when the police or fire authorities in charge declare the building safe for reentry.

D. when the police or fire authorities in charge declare the building safe for reentry.

Safety and reactivity information about chemicals can be found in what forms and where? A. Material Safety Data Sheets (MSDS) found in the marked locker outside laboratory LSH 325. B. Material Safety Data Sheets (MSDS) found on-line. C. The Merck Index Index (found in the Krannert Memorial Library or in the Chemistry Department) D. The CRC Handbook of Chemistry and Physics (found in the Krannert Memorial Library or in the Chemistry Department) E. Chemical catalogs. F. All of the above are places to find information on the physical properties, chemical properties, and exposure hazards for chemicals.

F. All of the above are places to find information on the physical properties, chemical properties, and exposure hazards for chemicals.

Ether should be boiled to dryness in order to reduce wastes. True False

False

If a chemical is spilled, you should wait until you have a break in your experiment to clean it up. True False

False

Most of the liquids you will be working with are nonflammable, and they may be discarded in the sink when flushed with water. True False

False

Safety Glasses will be provided in a cabinet in the laboratory. True False

False

Soft drinks are allowed in the lab, but ABSOLUTELY no food. True False

False

When pipetting small volumes of liquids in the laboratory it is acceptable to pipette using your mouth. True False

False

Any woman in this class who is pregnant or gets pregnant during the semester should immediately talk to the course and laboratory instructors regarding any special precautions or hazards in the organic chemistry laboratory. True False

True

Students should use the fire extinguisher only if they are trapped and need to clear a path to escape the room. True False

True

Using an organic solvent to wash chemicals from the skin will hasten the absorption of the chemical through the skin. True False

True