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Listening Quiz: Thuyết Trình Nghiên Cứu Tại Hội Nghị Hóa Học – Easy Level
Th4 6, 2025
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What is David mainly talking about in his presentation?
B his research on catalysts for chemical reactions
C Emily’s work in a factory laboratory
D a method for making metals more valuable
A new book about chemistry experiments
Explanation:
David says his study is about new catalysts for chemical reactions, so the main topic is his research on catalysts.
2.
What does David say his catalysts do in a reaction?
C They speed up the reaction by lowering the energy needed
D They work only when the reaction is heated strongly
A They slow the reaction down to make it safer
B They change chemicals into metals
Explanation:
David explains that the catalysts speed up the reaction by lowering the energy needed.
3.
Which materials did David use for his catalysts?
C Water and salt
D Plastic and rubber
B Platinum and some special compounds
A Wood and glass
Explanation:
David says he used metals like platinum and some special compounds.
4.
What can be inferred about David’s catalysts based on the conversation?
C They may be useful in industry after more testing
D They only work for one kind of chemical reaction
B They were not tested outside the lab at all
A They have already been widely used in factories
Explanation:
David says that with more tests, the catalysts could be used in factories, which suggests they may be useful in industry later.
5.
Where did David test the catalysts?
C At Emily’s office
B In a factory with workers
D In a classroom with models only
A In the lab with real chemicals
Explanation:
David says he tested the catalysts in the lab with real chemicals.
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