Multiple Choice
Which of the following pairs of sentences best demonstrate responsible laboratory safety behavior?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
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Which of the following materials can be safely stored on open shelves in the laboratory?
A
Concentrated acids
B
Compressed gas cylinders
C
Glassware such as beakers and flasks
D
Flammable solvents
Verified step by step guidance1
Step 1: Understand the nature of each material listed. Concentrated acids are corrosive and can release harmful vapors, so they require special storage conditions, usually in acid cabinets or ventilated areas.
Step 2: Compressed gas cylinders are under high pressure and can be hazardous if not secured properly. They should be stored upright and secured to prevent falling, typically in designated gas cylinder storage areas, not on open shelves.
Step 3: Flammable solvents are highly volatile and pose fire risks. They must be stored in flammable storage cabinets designed to contain vapors and reduce fire hazards, not on open shelves.
Step 4: Glassware such as beakers and flasks are non-hazardous and designed to be stored on open shelves for easy access during laboratory work.
Step 5: Conclude that among the options, only glassware such as beakers and flasks can be safely stored on open shelves in the laboratory.
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