Techniques for Storage and Disposal of Chemicals
Interactive Video
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Science
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Professional Development
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Practice Problem
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Medium
Mervin Lucas
Used 11+ times
FREE Resource
75 questions
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1.
SLIDE QUESTION
30 sec • Ungraded
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
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3.
SLIDE QUESTION
30 sec • Ungraded
4.
SLIDE QUESTION
30 sec • Ungraded
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. A high school chemistry teacher discovers a container of expired picric acid (C6H3N3O7) that has dried out and appears to have crystallized. The teacher needs to dispose of it safely. Which of the following is the most appropriate course of action?
A. Add water to the container to rehydrate the picric acid, then pour it down the drain with a large amount of water.
B. Seal the container and place it in the regular trash for disposal.
C. Do not move or touch the container and immediately contact a licensed hazardous waste disposal company or the school's safety officer for guidance.
D. Carefully open the container and take a small amount to the local landfill, explaining to the staff that it is an expired chemical.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2. A chemistry teacher has four chemicals to store in a shared storage cabinet with separate compartments for acids, bases, and flammable materials. The chemicals are: acetic acid (CH3COOH), sodium hydroxide (NaOH) pellets, ethanol (C2H5OH), and solid sodium carbonate (Na2CO3). Which arrangement is the most appropriate?
A. Place acetic acid in the acids compartment, sodium hydroxide and sodium carbonate in the bases compartment, and ethanol in the flammable materials compartment.
B. Place acetic acid in the acids compartment, sodium hydroxide and solid sodium carbonate in the same base compartment, and ethanol in a separate area.
C. Place acetic acid in the acids compartment, sodium hydroxide in the bases compartment, ethanol in the flammable materials compartment, and solid sodium carbonate in a separate, general storage area.
D. Place all chemicals in the same compartment to save space.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3. A high school chemistry teacher needs to store two chemicals: concentrated hydrochloric acid (HCl) and sodium chloride (NaCl) powder. Based on standard safety protocols, which of the following is the most appropriate storage arrangement?
A. Both chemicals should be stored in the plastic cabinet.
B. Concentrated HCl should be stored in the plastic cabinet and NaCl in the metal cabinet.
C. Both chemicals should be stored in the metal cabinet.
D. Concentrated HCl should be stored in the metal cabinet and NaCl in the plastic cabinet.
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