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Listening Quiz: Xem Xét Đánh Giá Mối Nguy Phản Ứng – Advanced Level
Th2 19, 2025
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What does Mark say about the risk of runaway reaction?
It is extremely high and immediate action is needed.
It looks moderate, but more safety controls are needed.
It is low because the current controls are sufficient.
It cannot be assessed until the experiment starts.
Explanation:
Mark says the risk looks moderate, but they need more safety controls.
2.
What safety concern does Laura mention about the temperature control?
It will only matter after scaling up.
It seems insufficient.
It is too expensive to maintain.
It has already been upgraded.
Explanation:
Laura says, ‘The temperature control seems insufficient.’
3.
What does Mark think about the pressure relief valve size?
It might be too small.
It is definitely too large.
It should be removed entirely.
It is perfectly sized.
Explanation:
Mark says the pressure relief valve size might be too small.
4.
Why do Laura and Mark think the experiment needs more safety controls?
Because they have already confirmed the experiment is safe.
Because the reaction appears moderate and could still become hazardous without added safeguards.
Because the new experiment does not use any temperature control at all.
Because the safety team asked them to increase the reaction scale.
Explanation:
They describe the risk as moderate but point out several weaknesses, such as insufficient temperature control and a possibly undersized pressure relief valve, which suggests more safeguards are needed.
5.
What is the main topic of Laura and Mark’s conversation?
Reviewing concerns in a hazard assessment for a new experiment
Choosing equipment for a different laboratory project
Discussing how to write a research report
Planning a schedule for tomorrow’s meeting
Explanation:
The conversation centers on reviewing the hazard assessment and identifying safety concerns before making recommendations.
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