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Listening Quiz: Thảo Luận Phương Pháp Phân Tích Cho Dòng Quy Trình Mới – Advanced Level
Th5 18, 2024
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What are Anna and Mark mainly discussing?
Ways to train new employees
Plans for a marketing presentation
How to repair broken laboratory equipment
Different methods for analyzing a new process stream
Explanation:
They discuss several analytical methods, such as gas chromatography, mass spectrometry, and online sensors, for analyzing the new process stream.
2.
Which method does Anna say is useful for identifying the components after gas chromatography?
Nuclear magnetic resonance
Viscosity testing
Mass spectrometry
High-performance liquid chromatography
Explanation:
Anna says gas chromatography separates the components, and then mass spectrometry can identify them.
3.
What does Anna recommend for liquid samples?
Online sensors
Gas chromatography
Nuclear magnetic resonance
High-performance liquid chromatography
Explanation:
Anna says, “For liquids, high-performance liquid chromatography works well.”
4.
Which physical properties does Anna say are important to measure?
pH and acidity
Color and odor
Viscosity and density
Temperature and pressure
Explanation:
Anna specifically says, “Viscosity and density are important here.”
5.
What does Anna mean when she says these methods provide a complete picture?
The methods together cover different aspects of the analysis
They only work for liquid samples
They are mainly used to save time
Each method is enough on its own
Explanation:
She lists several methods for different purposes and then says, “Together, they provide a complete picture,” which means the methods complement one another.
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