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Listening Quiz: Lựa Chọn Xúc Tác Phù Hợp Cho Quá Trình Hydro Hóa – Easy Level
Th12 13, 2024
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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?
Buying equipment for a classroom experiment
Planning a trip to a laboratory
Comparing the prices of metals for jewelry
Choosing a catalyst for hydrogenation
Explanation:
The speakers discuss which catalyst to use for hydrogenation, focusing on nickel and other options.
2.
Why does Mark recommend using a nickel catalyst?
It is the only catalyst available
It is cheap and works well for hydrogenation
It can replace hydrogen in the reaction
It is the most expensive option
Explanation:
Mark says nickel is cheap and works well for hydrogenation.
3.
Which other catalysts does Mark mention as good options?
Copper and iron
Palladium and platinum
Zinc and aluminum
Silver and gold
Explanation:
Mark says that palladium and platinum are also good.
4.
What can be inferred about Olivia’s decision after hearing Mark’s explanation?
She wants to stop the hydrogenation project
She agrees that nickel is the best choice for them
She thinks palladium is cheaper than nickel
She prefers a more expensive catalyst
Explanation:
Olivia says, ‘Then nickel is the best choice for us,’ showing she agrees with Mark’s recommendation.
5.
What will Olivia and Mark most likely do next?
Order palladium immediately
Start testing with nickel
Look for a different reaction method
Cancel the hydrogenation plan
Explanation:
Olivia says, ‘Let’s start testing with nickel soon,’ which directly indicates their next step.
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