CHM 313L Safety Quiz

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

A description of the experiment the chemicals were used for

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

Before handling any glassware or chemicals for the experiment

Determine where to dispose of each type of waste. broken flask titrant solution syringe tips unused solid reagent

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

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.

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.

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.

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

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

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

goggles closed-toe shoes gloves lab coat

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

goggles, gloves, labcoat

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

skin or clothing pull 15 minutes

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.

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

Read the Safety Data Sheet (click SDS icon below) of hydrogen peroxide to identify the recommended way to store this substance.

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

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

Many organic materials are flammable and could cause a fire.

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. If inhaled In case of eye contact If swallowed In case of skin contact

Move person to fresh air. Rinse with water for 15 minutes. Rinse mouth with water. Take off any contaminated clothing and rinse thoroughly

What is the first step for response to an emergency situation?

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

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

Remove your gloves. Wash your hands. Remove your labcoat, if you are wearing one.

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

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

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

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

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

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 the best way to deal with each of the following items that may dangle into the way during lab work. long necklaces long earrings flowy sleeves long hair loose bracelets

remove remove tie back or secure tie back or secure remove

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

true false false true

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

15 minutes

Identify the section in which each type of information can be found on a Safety Data Sheet. incompatibility or reactivity with other chemicals chemical name and formula recommended personal protective equipment (PPE) recommendations in case of accidental contact with the chemical possible dangers and health effects

Handling and storage Identification Exposure Controls/Personal Protection First Aid Measures Hazards Identification

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

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

Your lab partner

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 __________.

absorbent material plastic bag solid waste container detergent and water

In general, which characteristics are necessary for a location to be suitable for chemical storage?

cool, dark, dry

Identify the safety equipment designed to deal with each emergency listed. fire on a person large fire on the benchtop cuts or minor burns chemicals in eyes chemicals on clothes

fire blanket fire extinguisher first aid kit eyewash station safety shower