Laboratory Safety Quiz

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

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

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 Handling, storage, and reactivity information Hazard warnings

Read the Safety Data Sheet of hydrogen peroxide to identify the recommended way to store this substance.

In a tightly closed container in a dry and well-ventilated place

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 is the first step for response to an emergency situation?

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

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 pulling an empty beaker off the shelf at the beginning of lab, it slips out of your hand onto the floor. 3. While picking up a buret, an unknown solution left by a previous solution drips onto your hand. 4. While transferring a solution from a flask to a beaker, the solution accidentally spills down the front of the lab bench.

1. Goggles 2. Closed-toe shoes 3. Gloves 4. Lab Coat

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.

Determine which items of personal protective equipment (PPE) you will likely use in a general chemistry lab.

Goggles, gloves, and lab coat

Fill in the words to complete each step in liquid spill cleanup. 1.Surround the area with _____________, then cover the spill. 2. Scoop up the material and place in a _______________. 3. Place the bagged waste in a ____________________. 4. Wipe down the area with ___________________.

1. absorbent material 2. plastic bag 3. solid waste container 4. detergent and water

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

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

What information does not need to be included 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.

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

Before handling any glassware or chemicals for the experiment

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

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

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. 1. Unused solid reagent: 2. Broken flask: 3. Syringe tips: 4. Titrant solution:

1. Solid waste container 2. Box lined with puncture resistant bag 3. Sharps container 4. Nalgene bottle with cap

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

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

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.

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

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

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

Identify the safety equipment designed to deal with each emergency listed. 1. Large fire on the bench top: 2. Fire on a person: 3. Chemicals on clothes: 4. Cuts or minor burns: 5. Chemicals in eyes:

1. Fire extinguisher 2. Fire blanket 3. Safety shower 4. First aid kit 5. Eye wash station

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

1. Tie back or secure 2. Remove 3. Remove 4. Tie back or secure 5. Remove