Lab Safety Quiz

In case of accidental contact with chemicals, how long should the eyes be flushed at the eyewash station?

15 Minutes

Identify the equipment best suited for extinguishing each type of fire. a large fire on the floor ______ clothing fire ______ small benchtop fire _____

fire extinguisher Fire blanket over turned beaker

If you drop or break glassware in lab, first ________. Then, _______ Finally, place all that material into the ________

get thick gloves and a dusk pan carefully collect all broken glassware broken glass container

What should you do after finishing work with a reagent bottle? Choose one or more - Return the bottle to its proper storage location. - Leave the bottle open in case someone else needs it. - Place the bottle in the Solid Waste container. - Close the bottle.

Return the bottle to its proper storage location. Close the bottle.

How should spill cleaning materials be discarded? Discard all components in the broken glass container. Leave them in the fume hood for the instructor. Rinse the cleaning materials in the sink, then place them in the trash can. Seal in a labeled plastic bag, then place in the solid waste container.

Seal in a labeled plastic bag, then place in the solid waste container.

What information is needed in order to be prepared for an emergency? Choose one or more - Contact information for emergency personnel - Understanding of where to go should an emergency occur - Location of all exits - Location of lab phone and first aid kit - Full inventory of all chemicals present in the lab

- Contact information for emergency personnel - Understanding of where to go should an emergency occur - Location of all exits - Location of lab phone and first aid kit

Which types of signs are posted to convey information about chemical storage? Choose one or more - Hazard signs such as "Flammable," "Oxidizer," and "Corrosive" - National Fire Protection Association (NFPA) diamond - Gas Cylinder sign - Exit sign - Safety equipment signs such as "Safety Shower" and "Eyewash Station"

- Hazard signs such as "Flammable," "Oxidizer," and "Corrosive" - National Fire Protection Association (NFPA) diamond - Gas Cylinder sign

What information does not need to be included on a chemical waste label? - Names of the chemical compounds present in the container - The date the waste container was filled completely - Relative amounts of chemical compounds in the container - A description of the experiment the chemicals were used for

A description of the experiment the chemicals were used for

Most laboratory chemical spills are cleaned up in a similar manner, but acid and base spills require an extra step. What is this extra step? Be sure to replace the spilled acid or base. Tell all other lab participants to evacuate the lab as quickly as possible. Alert the proper authorities about the corrosive chemical waste. Neutralize the spill before cleaning it up.

Neutralize the spill before cleaning it up.

When should you start a new chemical waste container in the lab? - When you accidentally spill chemicals down the side of the current container - When the contents of the current container are a couple inches below the brim of the container - When the contents of the current container completely fill the container to the brim - When you need to dispose of another chemical that is compatible with chemicals in the current container

When the contents of the current container are a couple inches below the brim of the container

What is generally the best approach when liquid from a large reagent bottle is needed in an experiment? - Pour some of the reagent from the bottle into a beaker, then use as needed in the procedure. - Insert a pipet into the reagent bottle as many times as needed to get the desired amount of liquid. - Pour liquids directly from a reagent bottle only when a funnel is placed securely underneath. - Dispense the liquid directly from the reagent bottle whenever it is needed.

Pour some of the reagent from the bottle into a beaker, then use as needed in the procedure.

What is the first step for response to an emergency situation? - Remain calm and quiet, gather information, and assess the situation. - Yell for help and assist with the evacuation of the lab. - Discuss the situation with the other students until everyone agrees on what to do. - Run outside the building as quickly as possible and call 911.

Remain calm and quiet, gather information, and assess the situation.

Determine where to dispose of each type of waste. broken flask______ titration solution _____ syringe tips_____ unused solid reagnet_____

Box lined with puncture resistant bag Nalgene bottle with cap Sharps container Solid waste container

When an alarm sounds in the laboratory, it is important to respond_____ and remain ______. Listen for any other instructions, turn off any_______ in use, and be prepared to leave immediately.

Calmly, Quiet, Equipment

Which is NOT a good source of information about the hazards that affect waste disposal in a chemistry lab?

Your lab partner

Which signs are typically posted in areas of active lab work? Choose one or more Personal protective equipment (PPE) sign. Chemical storage signs Sign prohibiting food and drink Safety equipment signs

ALL

When should lab participants look at the Safety Data Sheet (SDS) of a substance? While working with the substance in lab After completing work with the substance Only if the substance is perceived to be dangerous Before using the substance

Before using the substance

Under what conditions should a student inform the instructor of a lab injury? - The instructor must be informed of all laboratory injuries. - The instructor should be alerted only if the injury involves broken skin. - The instructor should be alerted only if the lab injury appears different from injuries the student has experienced previously. - The instructor needs to be alerted only if he or she needs to call 911.

The instructor must be informed of all laboratory injuries.

What are the best practices for safely handling waste in the lab? Choose one or more - Check labels or instructions before any disposal. - Remove gloves for better manipulation of the waste containers. - Always wear appropriate Personal Protective Equipment. - Place any paper towels from the clean-up in the trash

Check labels or instructions before any disposal. Always wear appropriate Personal Protective Equipment.

How should students prepare to use chemicals in the lab? Choose one or more - Check labels and discard chemicals that are not 100% pure. - Sort the lab chemicals in alphabetical order for quick access. - Locate the spill kits and understand how they are used. - Become familiar with the chemicals to be used, including exposure or spill hazards.

Locate the spill kits and understand how they are used. Become familiar with the chemicals to be used, including exposure or spill hazards.