CHEM 101 LAB SAFETY QUIZ

What should you do every time before you leave the lab?

- remove your gloves - remove your labcoat, if you are wearing one - wash your hands

Most chemicals can be cleaned up with a general spill kit, but a few chemicals require specialized spill procedures. For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed.

-Acetone: general -Mercury: special -Phosphoric acid: general -Hydrofluoric acid: special -Methanol: general

All lab participants must remain prepared to use safety equipment in case of emergency. Identify the components of effective preparation.

-Being familiar with how safety equipment is used -Understanding where the safety equipment is located -Knowing what safety equipment is available

When an alarm sounds in the laboratory, it is important to respond ________ & remain __________. Listen for any other instructions, turn off any _________ in use, and be prepared to leave immediately.

-Calmly -Quiet -Equipment

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

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

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

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

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

Identify the types of information that are necessary to communicate with emergency responders.

-How the incident happened -Any chemicals involved in an incident -Any other hazards present in the lab

Review the Safety Data Sheet (SDS) (click the SDS icon below) for 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 & rinse thoroughly. -If inhaled: move person to fresh air. -In case of eye contact: Rinse with water for 15 minutes. -If swallowed: rinse mouth with water.

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

-Literature examples of use of the substance -Personal protection and first aid recommedations -Hazard warnings -Handling, storage, and reactivity information -Identification and description of substance

How should students prepare to use chemicals in the lab?

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

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

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

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

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

Move to the safety shower if you spill hazardous chemicals on your _________. Stand under the shower and __________. Remove clothing and continue flushing the area for ________________.

-Skin or clothing -Pull -15 minutes

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.

-grasp the exterior of one glove with a gloved hand -peel off the first glove -a bare finger

Determine where to dispose of each type of waste.

-syringe tips: sharps container -titrant solution: Nalgene bottle with cap -broken flask: sharps container -unused solid reagent: solid waste container

Read each statement regarding food and beverages in the lab and determine if each is true or false. 1. Beverages are allowed in lab as long as they are in containers with lids. 2. Food items should not be brought into the lab. 3. Chewing gum is okay in the lab as long as you don't blow bubbles. 4. Tobacco products of all kinds are prohibited in lab.

1. false 2. true 3. false 4. true

Match each lab incident to the item of PPE that will protect you from it. Each item of PPE will only be used once. 1. While checking on a stirring solution, the solution splashes up towards your face. 2. While transferring a solution from a flask to a beaker, the solution accidentally spills down the front of the lab bench. 3. While pulling an empty beaker off the shelf at the beginning of lab, it slips out of your hand onto the floor. 4. While picking up a buret, an unknown solution left by a previous solution drips onto your hand.

1. goggles 2. lab coat 3. closed-toe shoes 4. gloves

Determine the best way to deal with each of the following items that may dangle into the way during lab work. 1. flowy sleeves: 2. long earrings: 3. loose bracelets: 4. long hair: 5. long necklaces:

1. tie back or secure 2. remove 3. remove 4. tie back or secure 5. remove

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

A description of the experiment the chemicals were used for

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

Using the letters on the image, identify the significance of each section on the NFPA diamond.

A- Health B- Flammability C- Reactivity D- Special Hazards

Determine when to put on disposable gloves for work in the lab.

Before handling any glassware or chemicals for the experiment.

When should lab participants look at the Safety Data Sheet (SDS) of a substance?

Before using the substance.

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?

Neutralize the spill before cleaning it up.

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.

Determine the safest option in the lab if you need your vision to be corrected.

Wear corrective glasses or lenses under your safety goggles for the whole experiment, but always check with your TA or Instructor for your school's policy.

Determine when you should remove your goggles in the lab room.

When everyone in the room is done handling any chemicals or glassware.

When should you start a new chemical waste container in the lab?

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

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

Your lab partner