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Listening Quiz: Lựa Chọn Xử Lý Bề Mặt Để Tăng Độ Bám Dính – Easy Level
Th10 8, 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 the conversation?
How to choose the strongest type of glue
Why some materials cannot be repaired
How to improve adhesion between glue and a surface
How to clean tools after using glue
Explanation:
Mia explains several ways to improve adhesion, including cleaning, sanding, and using primers or coatings.
2.
Why does Mia say cleaning the surface is important?
It prevents the glue from being too thick
It removes dirt and oil that stop glue from sticking
It makes the glue dry faster
It changes the color of the material
Explanation:
Mia says that dirt and oil stop glue from sticking, so cleaning helps adhesion.
3.
What does roughening the surface by sanding do?
It gives glue more area to hold
It makes the surface smoother
It weakens the glue
It removes all chemical coatings
Explanation:
Mia directly says roughening helps because it gives glue more area to hold.
4.
What chemical options does Mia mention for improving adhesion?
Water and soap
Wax and polish
Heat and pressure
Primers or special coatings
Explanation:
Mia says that using primers or special coatings helps adhesion.
5.
What can be inferred from Mia’s final answer?
There is no single best method for improving adhesion in every situation
Chemical options never help with adhesion
Cleaning the surface is always the only necessary step
Sanding works better than every other method for all materials
Explanation:
Mia says the best method depends on the material and glue type, so no single method works best in all cases.
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