Chemical Safety

Question 1

Which of the following is an example of substitution in a laboratory?

A. Using a less toxic chemical in place of a more toxic chemical.
B. Using a fume hood to protect against hazardous fumes
C. Washing your hands after handling chemicals
D. Wearing gloves to protect against skin contact with chemicals

Answer 1

A. Using a less toxic chemical in place of a more toxic chemical.

Question 2

What is the difference between a fire extinguisher and a fire blanket?

A. All of the choices
B. A fire extinguisher is used to put out a fire, while a fire blanket is used to smother a fire.
C. A fire extinguisher is a portable device, while a fire blanket is a fixed device.
D. A fire extinguisher is used by a person, while a fire blanket is used by a team of people.

Answer 2

B. A fire extinguisher is used to put out a fire, while a fire blanket is used to smother a fire.

Question 3

Which of the following is an example of an administrative control in a laboratory?

A. Wearing gloves to protect against skin contact with chemicals
B. Washing your hands after handling chemicals
C. Posting safety signs and labels
D. Using a fume hood to protect against hazardous fumes

Answer 3

C. Posting safety signs and labels

Question 4

Which of the following is the most effective principle of laboratory safety?

A. Administrative controls
B. Elimination
C. PPE
D. Substitution

Answer 4

B. Elimination

Question 5

What type of gloves should you wear when working with chemicals?

A. Latex gloves
B. Rubber gloves
C. Vinyl gloves
D. Nitrile gloves

Answer 5

D. Nitrile gloves

Question 6

What is the best way to protect yourself from chemical spills?

A. Wear a lab coat
B. Wear safety glasses
C. Wear gloves
D. All of the choices

Answer 6

D. All of the choices

Question 7

What is the best way to protect yourself from chemical fumes?

A. (a) Wear a respirator
B. (b) Work in a well-ventilated area
C. Both (a) and (b)
D. None of the choices

Answer 7

C. Both (a) and (b)

Question 8

What is the best way to protect yourself from chemical splashes?

A. (a) Wear a face shield
B. (b) Wear goggles
C. Both (a) and (b)
D. None of the choices

Answer 8

C. Both (a) and (b)

Question 9

What should you do if you feel dizzy or lightheaded in a chemical laboratory?

A. Sit down and rest
B. Get some fresh air
C. Drink a glass of water
D. All of the choices

Answer 9

D. All of the choices

Question 10

What should you do if you break a glass beaker in a chemical laboratory?

A. Pick up the broken glass with your hands.
B. Use a dustpan and brush to sweep up the broken glass.
C. Use a dustpan and broom to sweep up the broken glass.
D. Use a wet mop to clean up the broken glass.

Answer 10

B. Use a dustpan and brush to sweep up the broken glass.

Question 11

What should you do if you smell a chemical fume in a chemical laboratory?

A. (a) Alert the nearest person
B. (b) Leave the area immediately
C. Both (a) and (b)
D. None of the choices

Answer 11

C. Both (a) and (b)

Question 12

Which of the following is a physical hazard in a chemical laboratory?

A. Toxic chemicals
B. Biohazardous materials
C. Corrosive substances
D. Flammable liquids

Answer 12

D. Flammable liquids

Question 13

Which of the following is a chemical hazard in a chemical laboratory?

A. Inhalation of toxic fumes
B. Exposure to loud noise
C. Contact with an electrical outlet
D. Slipping on a wet floor

Answer 13

A. Inhalation of toxic fumes

Question 14

Which of the following is an environmental hazard in a chemical laboratory?

A. Cuts from broken glass
B. Electric shock from faulty equipment
C. Burns from chemical spills
D. Contamination of water sources

Answer 14

D. Contamination of water sources

Question 15

Which of the following is a principle of green chemistry?

A. Generation of hazardous waste
B. Use of toxic chemicals
C. Use of non-renewable energy sources
D. Use of renewable feedstocks

Answer 15

D. Use of renewable feedstocks

Question 16

What are the different types of fire extinguisher ratings?

A. Class A, B, C, D
B. Class A, C, D
C. Class A, B, D
D. Class A, B, C

Answer 16

A. Class A, B, C, D

Question 17

What is the proper way to use a fire extinguisher?

A. Pull the pin, aim at the top of the fire, and squeeze the handle.
B. Pull the pin, aim at the base of the fire, squeeze the handle and sweep.
C. Pull the pin, aim at the side of the fire, and squeeze the handle.
D. Pull the pin, aim at the middle of the fire, and squeeze the handle.

Answer 17

B. Pull the pin, aim at the base of the fire, squeeze the handle and sweep.

Question 18

What is the difference between a fire extinguisher and a fire sprinkler?

A. A fire extinguisher is a portable device, while a fire sprinkler is a fixed device.
B. All of the choices
C. A fire extinguisher is used by a person, while a fire sprinkler is activated automatically.
D. A fire extinguisher is used to put out a fire, while a fire sprinkler is used to prevent a fire from starting.

Answer 18

B. All of the choices

Question 19

What is the purpose of an inventory of chemicals?

A. To ensure that chemicals are properly stored
B. To identify the location of chemicals
C. All of the choices
D. To track the quantity of chemicals on hand

Answer 19

C. All of the choices

Question 20

What is the difference between a fire extinguisher and a fire blanket?

A. A fire extinguisher is a portable device, while a fire blanket is a fixed device.
B. A fire extinguisher is used by a person, while a fire blanket is used by a team of people.
C. All of the choices
D. A fire extinguisher is used to put out a fire, while a fire blanket is used to smother a fire.

Answer 20

D. A fire extinguisher is used to put out a fire, while a fire blanket is used to smother a fire.