Chem 1LD Safety Exam Questions With Complete Solutions
acute toxicants Correct Answers are fatal if exposed to the
smallest amount
acute toxicity Correct Answers ability of a chemical to do
damage with a single dose
aspiration hazards Correct Answers can be fatal if swallowed
or inhaled
Balancing Correct Answers risk allowed increases with benefit
of chemical use
Based on GHS information, which chemical is more hazardous?
sodium hypochlorite (bleach)
- danger
- serious eye damage (Category 1) skin corrosion (Category 1B)
ethylene glycol (antifreeze)
- warning
- acute toxicity, oral (Category 4) specific organ toxicity
(Category 2) Correct Answers - sodium hypochlorite
- the chemical with the category 1 hazards
- the chemical with the danger signal word
Before coming to lab, you need to:
- do all of the listed activities.
- eat food and read and understand experimental procedures and
safety precautions.
,- read and understand experimental procedures and safety
precautions. dress properly.
- eat food. Correct Answers - do all of the listed activities.
Breakthrough Time Correct Answers time for the first
appearance of a chemical on the other side of the glove
Calculate the atom economy of reaction between
cinnamaldehyde and acetophenone in project 2. (See Figure 2).
Report your answer with 2 significant figures. Correct Answers
93
carcinogens Correct Answers cause cancer or presumed to
cause cancer in humans
Choose the appropriate actions to take in the event of a spill.
- Eyewashes should be used for at least 15 minutes.
- Contaminated clothing must be removed & treated as
hazardous waste
- If solid is spilled on skin wash scrape off, then wash with water
- Use a spill pillow to absorb liquids with nontoxic vapors
- Spilled solid should be returned to its original bottle.
- If splashed with a large quantity of liquid, wipe off
contaminated clothing.
- Use a small brush & dustpan when cleaning up a solid
- Nonvolatile liquid spills require lab evacuation.
- If splashed with a large quantity of a chemical, use the shower
immediately Correct Answers - Eyewashes should be used for
at least 15 minutes.
- Contaminated clothing must be removed & treated as
hazardous waste
, - If solid is spilled on skin wash scrape off, then wash with water
- Use a spill pillow to absorb liquids with nontoxic vapors
- Use a small brush & dustpan when cleaning up a solid
- If splashed with a large quantity of a chemical, use the shower
immediately
chronic toxicity Correct Answers ability of a chemical to do
damage after multiple doses
corrosive Correct Answers destroys living tissue on contact
corrosives Correct Answers causes serve skin burns and eye
damage
Degradation Correct Answers destructive change in the glove
material
eye hazards Correct Answers cause irreversible damage to
cornea or iris
flammable Correct Answers easily ignites and burns rapidly
hazard Correct Answers potential source of danger
IDLH Correct Answers Immediately Dangerous to Life and
Health
irritant Correct Answers irritates living tissue on contact
LC(50) Correct Answers lethal concentration that kills 50% of
a population
acute toxicants Correct Answers are fatal if exposed to the
smallest amount
acute toxicity Correct Answers ability of a chemical to do
damage with a single dose
aspiration hazards Correct Answers can be fatal if swallowed
or inhaled
Balancing Correct Answers risk allowed increases with benefit
of chemical use
Based on GHS information, which chemical is more hazardous?
sodium hypochlorite (bleach)
- danger
- serious eye damage (Category 1) skin corrosion (Category 1B)
ethylene glycol (antifreeze)
- warning
- acute toxicity, oral (Category 4) specific organ toxicity
(Category 2) Correct Answers - sodium hypochlorite
- the chemical with the category 1 hazards
- the chemical with the danger signal word
Before coming to lab, you need to:
- do all of the listed activities.
- eat food and read and understand experimental procedures and
safety precautions.
,- read and understand experimental procedures and safety
precautions. dress properly.
- eat food. Correct Answers - do all of the listed activities.
Breakthrough Time Correct Answers time for the first
appearance of a chemical on the other side of the glove
Calculate the atom economy of reaction between
cinnamaldehyde and acetophenone in project 2. (See Figure 2).
Report your answer with 2 significant figures. Correct Answers
93
carcinogens Correct Answers cause cancer or presumed to
cause cancer in humans
Choose the appropriate actions to take in the event of a spill.
- Eyewashes should be used for at least 15 minutes.
- Contaminated clothing must be removed & treated as
hazardous waste
- If solid is spilled on skin wash scrape off, then wash with water
- Use a spill pillow to absorb liquids with nontoxic vapors
- Spilled solid should be returned to its original bottle.
- If splashed with a large quantity of liquid, wipe off
contaminated clothing.
- Use a small brush & dustpan when cleaning up a solid
- Nonvolatile liquid spills require lab evacuation.
- If splashed with a large quantity of a chemical, use the shower
immediately Correct Answers - Eyewashes should be used for
at least 15 minutes.
- Contaminated clothing must be removed & treated as
hazardous waste
, - If solid is spilled on skin wash scrape off, then wash with water
- Use a spill pillow to absorb liquids with nontoxic vapors
- Use a small brush & dustpan when cleaning up a solid
- If splashed with a large quantity of a chemical, use the shower
immediately
chronic toxicity Correct Answers ability of a chemical to do
damage after multiple doses
corrosive Correct Answers destroys living tissue on contact
corrosives Correct Answers causes serve skin burns and eye
damage
Degradation Correct Answers destructive change in the glove
material
eye hazards Correct Answers cause irreversible damage to
cornea or iris
flammable Correct Answers easily ignites and burns rapidly
hazard Correct Answers potential source of danger
IDLH Correct Answers Immediately Dangerous to Life and
Health
irritant Correct Answers irritates living tissue on contact
LC(50) Correct Answers lethal concentration that kills 50% of
a population
