ECU CHEM 1120 Final Exam Review – Complete Chemistry Preparation
Guide
Safety Shower - ANS ✔✔If hazardous chemicals are spilt on skin or clothing, stand under the
shower and pull the lever. Remove clothing and continue flushing for 15 minutes.
What should you do every time before you leave the lab? - ANS ✔✔Remove labcoat, remove
gloves, and wash hands
What types of signs are posted to convey information about chemical storage? - ANS
✔✔Hazards (eg. flammable, oxidizer, corrosive), National Fire Protection Association (NFPA)
diamond, and gas cylinder sign.
Which characteristics are necessary for a location to be suitable chemical storage? - ANS
✔✔Dark, cool, dry.
What is the main precaution to take if a gas cylinder sign is present in the lab. - ANS ✔✔Visually
check that the gas cylinder is restrained but keep a safe distance away from it.
What is generally the best approach when liquid from a large reagent bottle is needed in an
experiment? - ANS ✔✔Pour some reagent from the bottle into a beaker, then use as needed.
Determine the best way to deal with dangling items during the lab. - ANS ✔✔Remove long
earrings, loose bracelets, and long necklaces. Tie back long hair and flowy sleeves.
When should you start a new chemical waste container? - ANS ✔✔When the contents of the
current container are a couple of inches below the brim.
, Which steps are necessary for cleaning spills involving broken glass? - ANS ✔✔Stop the spread
of the spill, soak up any spilled liquid with absorbent material, pick up large pieces of glass with
gloved hands.
Determine when goggles should be removed in the lab room. - ANS ✔✔When everyone in the
room is done handling any chemicals or glassware.
Identify the types of information necessary to communicate with emergency responders. - ANS
✔✔How the incident happened, any chemicals involved in an accident, any other hazards
present in the lab.
Broken Glass - ANS ✔✔If glassware is broken, first get thick gloves or dustpan, then carefully
collect all the broken glassware, and finally place all that material into the broken glass
container.
Identify the precautions to take with exits in the lab. - ANS ✔✔Do not block a door with an exit
sign, locate all the exits prior to the start of the lab.
Alarm - ANS ✔✔When an alarm sounds, it is important to respond calmly and remain quiet.
Listen for any instructions, turn off any equipment in use, and be prepared to leave
immediately.
Identify the significance of each section of the NFPA diamond. - ANS ✔✔Left (Blue) - Health
Top (Red) - Flammability
Right (Yellow) - Reactivity
Bottom (White) - Special Hazards
Determine the safest option in the lab if you need your vision to be corrected. - ANS ✔✔Wear
corrective glasses or lenses under your safety goggles for the whole experiment, but check with
your TA or Instructor for your school's policy.
Guide
Safety Shower - ANS ✔✔If hazardous chemicals are spilt on skin or clothing, stand under the
shower and pull the lever. Remove clothing and continue flushing for 15 minutes.
What should you do every time before you leave the lab? - ANS ✔✔Remove labcoat, remove
gloves, and wash hands
What types of signs are posted to convey information about chemical storage? - ANS
✔✔Hazards (eg. flammable, oxidizer, corrosive), National Fire Protection Association (NFPA)
diamond, and gas cylinder sign.
Which characteristics are necessary for a location to be suitable chemical storage? - ANS
✔✔Dark, cool, dry.
What is the main precaution to take if a gas cylinder sign is present in the lab. - ANS ✔✔Visually
check that the gas cylinder is restrained but keep a safe distance away from it.
What is generally the best approach when liquid from a large reagent bottle is needed in an
experiment? - ANS ✔✔Pour some reagent from the bottle into a beaker, then use as needed.
Determine the best way to deal with dangling items during the lab. - ANS ✔✔Remove long
earrings, loose bracelets, and long necklaces. Tie back long hair and flowy sleeves.
When should you start a new chemical waste container? - ANS ✔✔When the contents of the
current container are a couple of inches below the brim.
, Which steps are necessary for cleaning spills involving broken glass? - ANS ✔✔Stop the spread
of the spill, soak up any spilled liquid with absorbent material, pick up large pieces of glass with
gloved hands.
Determine when goggles should be removed in the lab room. - ANS ✔✔When everyone in the
room is done handling any chemicals or glassware.
Identify the types of information necessary to communicate with emergency responders. - ANS
✔✔How the incident happened, any chemicals involved in an accident, any other hazards
present in the lab.
Broken Glass - ANS ✔✔If glassware is broken, first get thick gloves or dustpan, then carefully
collect all the broken glassware, and finally place all that material into the broken glass
container.
Identify the precautions to take with exits in the lab. - ANS ✔✔Do not block a door with an exit
sign, locate all the exits prior to the start of the lab.
Alarm - ANS ✔✔When an alarm sounds, it is important to respond calmly and remain quiet.
Listen for any instructions, turn off any equipment in use, and be prepared to leave
immediately.
Identify the significance of each section of the NFPA diamond. - ANS ✔✔Left (Blue) - Health
Top (Red) - Flammability
Right (Yellow) - Reactivity
Bottom (White) - Special Hazards
Determine the safest option in the lab if you need your vision to be corrected. - ANS ✔✔Wear
corrective glasses or lenses under your safety goggles for the whole experiment, but check with
your TA or Instructor for your school's policy.
