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Listening Quiz: Đánh Giá Mối Nguy Cho Thuốc Thử Mới – Easy Level
Th5 11, 2025
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What are Mark and Olivia mainly discussing?
How to assess and handle the hazards of a new reagent
How to prepare a training schedule for new staff
How to order a new laboratory machine
Why the lab should replace all safety equipment
Explanation:
The conversation focuses on checking the risks of a new reagent, identifying its hazards, and deciding on safety measures before use.
2.
According to Mark, what risk does the new reagent present?
It is safe to handle without protection
It is toxic and can cause skin irritation
It can only be used outdoors
It is highly flammable but harmless to skin
Explanation:
Mark says the reagent is toxic and can cause skin irritation.
3.
What safety measure does Olivia suggest?
Wearing gloves and working in a fume hood
Mixing it with water before use
Storing the reagent in a freezer
Testing it only after the staff leaves
Explanation:
Olivia says they should wear gloves and work in a fume hood.
4.
Why does Mark mention the safety data sheet?
To remind Olivia to order more chemicals
To provide information about the reagent’s risks
To ask Olivia to rewrite the instructions
To show that the reagent has already been approved
Explanation:
Mark says he has the safety data sheet and that it shows some risks, so he mentions it to provide hazard information.
5.
What can be inferred about the reagent before it is used?
It is intended only for cleaning equipment
It has no known risks and needs no label
It must be handled with safety precautions and staff training
It should be used immediately without review
Explanation:
Because the reagent is toxic, can irritate skin, and needs clear labeling and staff training, it should be handled with precautions before use.
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