character: Mr. Smith
topic: Understanding Chemical Hazards
grade: 12
subject: Chemistry
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character: Dr. Johnson
topic: Safety Protocols in Chemistry Labs
grade: 12
subject: Chemistry
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character: Ms. Davis
topic: Chemical Properties and Their Hazards
grade: 12
subject: Chemistry
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character: Mr. Lee
topic: Emergency Response to Chemical Spills
grade: 12
subject: Chemistry
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