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Listening Quiz: Tư Vấn Về Tính Tương Thích Phụ Gia – Medium Level
Th12 21, 2025
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What is the main topic of Kevin and Linda’s conversation?
How to check whether a new additive works with a polymer
Why the product changed color during shipping
How to repair a damaged product after testing
How to increase production speed in the factory
Explanation:
They discuss whether the new additive is compatible with the polymer and how to test that compatibility.
2.
What might happen if the additive is not compatible with the polymer?
The testing process will take only a few hours
The additive will stop reacting with temperature
The product will become more flexible immediately
The polymer might lose strength or change color
Explanation:
Linda says the polymer might lose strength or change color if the additive is not compatible.
3.
How does Linda say they should test compatibility?
By heating the product for several days
By measuring the product’s weight before shipping
By mixing small amounts and checking the changes
By replacing the polymer with a new material
Explanation:
Linda explains that they test compatibility by mixing small amounts and checking the changes.
4.
What can be inferred about the additive test Linda describes?
It requires careful observation over a short period
It is only useful after the product is sold
It is a quick test that gives results immediately
It does not involve the current mix at all
Explanation:
Linda says they need to test it in the current mix, check the changes, and that the testing usually takes a few days, which suggests careful observation over a short period.
5.
How long does Linda say the testing usually takes?
A few days
A full month
A few hours
A few weeks
Explanation:
Linda says, ‘Usually a few days for good results.’
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