Multiple Choice
When working in a chemistry laboratory, when should you wear personal protective equipment (PPE) to protect yourself from chemical hazards?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
Multiple Choice
When working in a laboratory, when should you first refer to a chemical's label?
A
Only if an accident occurs
B
After you have finished your experiment
C
When disposing of the chemical
D
Before using or handling the chemical
Verified step by step guidance1
Understand the importance of safety in the laboratory when working with chemicals.
Recognize that a chemical's label contains critical information such as the chemical's identity, hazards, handling instructions, and safety precautions.
Identify that the safest practice is to read the chemical's label before you start using or handling the chemical to ensure you are aware of any risks and proper procedures.
Note that referring to the label only after an accident, after finishing the experiment, or only when disposing of the chemical is unsafe and can lead to dangerous situations.
Conclude that the correct and safest time to refer to a chemical's label is before using or handling the chemical.
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