Quiz 1 : Safety Review

What information does not need to be included on a chemical waste label?

A description of the experiment the chemicals were used for

What are the best practices for safely handling waste in the lab?

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

Identify the section in which each type of information can be found on a Safety Data Sheet. chemical name and formula

Identification

What information is needed in order to be prepared for an emergency?

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

Why should Bunsen burners not be used when heating organic materials?

Many organic materials are flammable and could cause a fire.

hydrogen peroxide, then identify the best course of action for each type of chemical exposure. If inhaled

Move person to fresh air.

What should you do after finishing work with a reagent bottle?

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

hydrogen peroxide, then identify the best course of action for each type of chemical exposure. If swallowed

Rinse mouth with water.

For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Hydrofluoric Acid

Special

For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Mercury

Special

hydrogen peroxide, then identify the best course of action for each type of chemical exposure. In case of skin contact

Take off any contaminated clothing and rinse thoroughly

Under what conditions should a student inform the instructor of a lab injury?

The instructor must be informed of all laboratory injuries.

What is the main precaution to take if a Gas Cylinder sign is present in the lab?

Visually check that the gas cylinder is restrained but keep a safe distance from it.

Identify the equipment best suited for extinguishing each type of fire. large fire on floor

fire extinguisher

Identify the safety equipment designed to deal with each emergency listed. cuts or minor burns

first aid kit

Identify the equipment best suited for extinguishing each type of fire. small benchtop fire

overturned beaker

Identify the safety equipment designed to deal with each emergency listed. chemicals on clothes

safety shower

Determine where to dispose of each type of waste. syringe tips

syringe tips

hydrogen peroxide, then identify the best course of action for each type of chemical exposure. In case of eye contact

Rinse with water for 15 minutes.

Using the letters on the image, identify each component of the liquid waste set-up.

A Funnel B Primary container C Waste label D Secondary container

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

Your lab partner

How should students prepare to use chemicals in the lab?

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

Determine where to dispose of each type of waste. broken flask

Box lined with puncture resistant bag

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

A student removes a chemical sample from a reagent bottle to be used in an experiment. What should he do with any excess chemical remaining from this sample after the experiment is complete?

Check and see if anyone else can use the chemical. If not, discard in the proper waste container.

Identify the section in which each type of information can be found on a Safety Data Sheet. recommended personal protective equipment (PPE)

Exposure Controls/Personal Protection

Identify the section in which each type of information can be found on a Safety Data Sheet. recommendations in case of accidental contact with the chemical

First Aid Measures

Identify the step that is not recommended when responding to an emergency.

Gather your belongings.

For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Acetone

General

For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Methanol

General

For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Phosphoric acid

General

Identify the section in which each type of information can be found on a Safety Data Sheet. incompatibility or reactivity with other chemicals

Handling and Storage

Which types of signs are posted to convey information about chemical storage?

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

Identify the section in which each type of information can be found on a Safety Data Sheet. possible dangers and health effects

Hazards Identification

What information is necessary to review in order to be considered familiar with the Safety Data Sheet (SDS) of a substance?

Identification and description of substance Personal protection and first aid recommendations Hazard warnings Handling, storage, and reactivity information

Determine where to dispose of each type of waste. titrant solution

Nalgene bottle with cap

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.

Which signs are typically posted in areas of active lab work?

Safety equipment signs Sign prohibiting food and drink Personal protective equipment (PPE) sign Chemical storage signs

How should spill cleaning materials be discarded?

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

Determine where to dispose of each type of waste. unused solid reagent

Solid waste container

Changing gloves often will minimize the spread of chemicals. To properly remove gloves, first,_________,and then, ___________. THen insert ___________between the interior edge of the second glove and the skin, and remove the second glove.

between the interior edge of the second glove and the skin, and remove the second glove ,peel off the first glove, a bare finger

Identify the safety equipment designed to deal with each emergency listed. chemicals in eyes

eyewash station

Identify the equipment best suited for extinguishing each type of fire. clothing fire

fire blanket

Identify the safety equipment designed to deal with each emergency listed. fire on a person

fire blanket

Identify the safety equipment designed to deal with each emergency listed. large fire on the benchtop

fire extinguisher

If you drop or break glassware in lab, first________________Then, ___________________Finally, place all that material into the

get thick gloves or dustpan, carefully collect all the broken glassware, broken glass container