객관식
Which statement best explains why large atoms are generally more reactive than small atoms?
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1. Intro to General Chemistry
Chemical Properties
Multiple Choice
Why are some reclaimed refrigerants classified as hazardous materials?
A
They may contain toxic impurities or breakdown products that pose health and environmental risks.
B
They are always flammable and can easily catch fire.
C
They are always safe to handle without any protective equipment.
D
They are completely inert and do not react with any substances.
검증된 단계별 안내1
Understand that reclaimed refrigerants are those that have been recovered from equipment and processed for reuse.
Recognize that during use and recovery, refrigerants can degrade or become contaminated with impurities or breakdown products.
These impurities or breakdown products can be toxic or harmful to human health and the environment.
Because of these potential hazards, reclaimed refrigerants are classified as hazardous materials to ensure proper handling, storage, and disposal.
Note that not all reclaimed refrigerants are flammable or inert; their classification depends on their chemical composition and contamination.
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