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Science lab safety and equipmengtt Flashcards

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1
Q

What is the primary purpose of lab safety equipment?

A

To protect individuals from accidents and exposure to hazardous materials.

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2
Q

True or False: Safety goggles should always be worn in the lab.

A

True

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3
Q

Fill in the blank: A __________ is used to measure the volume of liquids.

A

graduated cylinder

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4
Q

What is the function of a Bunsen burner?

A

To provide a flame for heating substances in the lab.

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5
Q

Multiple Choice: Which of the following is NOT a type of lab safety equipment? A) Fire extinguisher B) Fume hood C) Beaker D) Safety shower

A

C) Beaker

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6
Q

What should you do if you spill a chemical in the lab?

A

Notify your teacher or lab supervisor immediately and follow the spill protocol.

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7
Q

True or False: It is safe to eat or drink in the laboratory.

A

False

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8
Q

Fill in the blank: Always tie back long hair and secure loose clothing when working with a __________.

A

Bunsen burner

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9
Q

What is the first step you should take in case of a fire in the lab?

A

Use the nearest fire extinguisher or evacuate the area and alert others.

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10
Q

Multiple Choice: What is the correct way to light a Bunsen burner? A) Light it before turning on the gas B) Turn on the gas first and then light it C) Use a match or lighter to ignite the flame D) Use a spark to ignite

A

C) Use a match or lighter to ignite the flame

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11
Q

What is the purpose of a fume hood?

A

To ventilate and remove hazardous fumes from the lab environment.

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12
Q

True or False: It is acceptable to leave experiments unattended in the lab.

A

False

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13
Q

Fill in the blank: Always read the __________ before using a chemical.

A

Material Safety Data Sheet (MSDS)

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14
Q

What should be done with broken glassware?

A

Use a dustpan and brush to clean it up and dispose of it in a designated glass disposal container.

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15
Q

Multiple Choice: Which of the following should you NOT do in the lab? A) Follow instructions carefully B) Horseplay with classmates C) Wear appropriate safety gear D) Keep your workspace clean

A

B) Horseplay with classmates

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16
Q

What is the correct procedure for disposing of chemicals?

A

Follow your instructor’s guidelines and local regulations for hazardous waste disposal.

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17
Q

True or False: All chemicals can be safely mixed together.

A

False

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18
Q

Fill in the blank: A __________ is used to hold small amounts of substances for heating.

A

test tube

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19
Q

What is the importance of using gloves in the lab?

A

To protect your hands from harmful chemicals and biological materials.

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20
Q

Multiple Choice: Which of the following items is used to support a beaker on a ring stand? A) Wire gauze B) Test tube holder C) Bunsen burner D) Clamp

A

D) Clamp

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21
Q

What is the role of a safety shower?

A

To wash off chemicals from the body in case of exposure.

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22
Q

True or False: It is safe to wear open-toed shoes in the lab.

A

False

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23
Q

Fill in the blank: Use a __________ to hold and heat liquid in the lab.

A

beaker

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24
Q

What should you do if you have a cut or injury in the lab?

A

Inform your instructor and apply first aid as necessary.

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25
Multiple Choice: Which of the following is a common hazard in the laboratory? A) Sharp objects B) Hot surfaces C) Toxic substances D) All of the above
D) All of the above
26
What is the purpose of a lab coat?
To protect your skin and clothing from spills and splashes.
27
True or False: You can use any type of flame to heat substances in the lab.
False
28
Fill in the blank: A __________ is used to measure the mass of substances.
balance
29
What should you do before starting any experiment?
Read the procedure and understand the safety precautions.
30
Multiple Choice: What is the best way to handle chemicals? A) With bare hands B) With gloves C) With a towel D) With a spoon
B) With gloves
31
What is the function of a hot plate?
To provide a controlled source of heat for experiments.
32
True or False: You should always work in pairs in the laboratory.
True
33
Fill in the blank: A __________ is used to stir solutions in the lab.
stirring rod
34
What should you do with unused chemicals at the end of an experiment?
Dispose of them according to your instructor's instructions.
35
Multiple Choice: Which of the following is a sign of a chemical reaction? A) Color change B) Temperature change C) Gas production D) All of the above
D) All of the above
36
What is the importance of labeling chemicals?
To prevent accidents and ensure proper handling.
37
True or False: It is safe to leave hot equipment unattended.
False
38
Fill in the blank: Always use a __________ to transfer small amounts of liquid.
pipette
39
What type of fire extinguisher is used for chemical fires?
Class B fire extinguisher
40
Multiple Choice: Which of the following is NOT a safety precaution when using a Bunsen burner? A) Adjust the air supply B) Turn off the gas when not in use C) Keep flammable materials away D) Use it near a sink
D) Use it near a sink
41
What is the function of a ring stand?
To hold equipment in place during experiments.
42
True or False: You should always wash your hands after leaving the lab.
True
43
Fill in the blank: The __________ is used to hold a beaker or flask above a heat source.
ring clamp
44
What is the purpose of a thermometer in the lab?
To measure temperature.
45
Multiple Choice: When should you wear safety goggles? A) When using chemicals B) When working with sharp objects C) When heating substances D) All of the above
D) All of the above
46
What should be done if you feel unwell during an experiment?
Stop the experiment and inform your instructor.
47
True or False: It is okay to mix unknown chemicals together.
False
48
Fill in the blank: A __________ is used to hold liquids while they are being heated.
flask
49
What is the primary reason for using a fume hood?
To protect against inhaling hazardous vapors.
50
Multiple Choice: What should you do if you are unsure about the proper procedure? A) Guess B) Ask your instructor C) Proceed anyway D) Look it up online
B) Ask your instructor
51
What type of gloves should be worn when handling chemicals?
Nitrile or latex gloves.
52
True or False: You should not wear contact lenses in the lab.
True
53
Fill in the blank: A __________ is used to measure the temperature of a solution.
thermometer
54
What is the purpose of an emergency exit in the lab?
To provide a safe escape route in case of an emergency.
55
Multiple Choice: What is the best way to avoid accidents in the lab? A) Follow instructions B) Ignore safety protocols C) Work alone D) Rush through experiments
A) Follow instructions
56
What should you do if a chemical splashes in your eyes?
Immediately rinse your eyes with water at the eyewash station for at least 15 minutes.
57
True or False: All lab equipment should be checked for damage before use.
True
58
Fill in the blank: Always keep the __________ area clear of clutter.
work
59
What is the function of a desiccator?
To store samples in a moisture-free environment.
60
Multiple Choice: Which of the following is a proper way to carry glassware? A) In one hand B) With both hands C) With a towel wrapped around it D) Any way is fine
B) With both hands
61
What is the purpose of a safety data sheet?
To provide information on the hazards of chemicals and safe handling practices.
62
True or False: It's acceptable to wear loose clothing in the lab.
False
63

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