safety quiz

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

-Understanding where the safety equipment is located

-Knowing what safety equipment is available

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

The instructor must be informed of all laboratory injuries

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

fire on person-fire blanket

chemicals on clothes-safety shower

large fire on the benchtop-fire extinguisher

chemical in eyes-eyewash station

cuts or minor burns-first aid kit

Identify the precautions to take with exits in the lab.

Locate the exits prior to the start of lab.

Do not block a door with an EXIT sign.

Identify the description that applies to the substance represented by each NFPA diamond.

3-0-2 moderately unstable or reactive

2-4-0 has a flash point below room temperature

2-3-0 stable has health risk bt no special hazards

3-0-0-oxy oxidizer, not flammable

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

Personal protective equipment (PPE) sign

Sign prohibiting food and drink

Safety equipment signs

Chemical storage signs

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

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

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

Understanding of where to go should an emergency occur

Contact information for emergency personnel

Location of lab phone and first aid kit

location of all exits

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

gather your belongings

oxidizing chemical symbol

corrosive chemical

flammable chemical

In lab, you may need to evaluate the odor or smell of a chemical.

What is the best way to smell a chemical sample?

Use your hand to gently waft the smell toward you

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

Return the bottle to its proper storage location.

Close the bottle.

Which steps are necessary for cleaning a spill involving broken glass?

Stop the spread of the spill.

Soak up any spilled liquid with absorbent material.

Pick up large pieces of glass with gloved 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.

hydrofluoric acid-special

methanol-general

mercury-special

acetone-general

phosphoric acid-general

How should spill cleaning materials be discarded?

WRONG ANSWER:Leave them in the fume hood for the instructor.

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

chemical name and formula-Identification

recommended personal protective equipment (PPE)-exposure controls/personal protective

possible dangers and health effects-hazards identification

incompatibility-WRONG ANSWER: hazards identification

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

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

before using the substance

If you drop or break glassware in lab, first

get thick gloves or dustpan

Then,

carefully collect all the broken glasswares

Finally, place all that material into the

broken glass container

question 19

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

Determine where to dispose of each type of waste

Unused solid reagenyt-Solid waste

titrant solution-WRONG ANS:BOX LINED WITH PUNCTURE RESISTANT BAG

broken flask-WRONG ANS:SHARPS CONTAINER

syringe tips-sharps container

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

your lab partner

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

Check labels or instructions before any disposal.

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

Chaning gloves often will minimize the spread of chemicals. to properly remove gloves, first grasp the exterior of one glove with a gloved hand