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Listening Quiz: Đặc Trưng Hóa Dạng Đa Hình Mới – Medium Level
Th4 29, 2024
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What is the conversation mainly about?
A complaint about poor laboratory equipment
A discussion of a new polymorphic form and its improved properties
A plan to launch a new marketing campaign for a drug
A debate about whether the drug should be discontinued
Explanation:
Laura and John discuss discovering a new polymorphic form, how it was identified, and its improved stability, solubility, and melting point.
2.
How did Laura and John find the new polymorphic form?
By comparing sales reports
By using X-ray diffraction analysis
By testing the drug in patients
By heating the drug to a high temperature
Explanation:
Laura says, ‘We used X-ray diffraction analysis.’
3.
What property did Laura say was better in the new form?
Its stability
Its color
Its packaging
Its smell
Explanation:
Laura states that the new form ‘has better stability.’
4.
What can be inferred about the new polymorphic form?
It is likely less useful than the old form
It must be unsafe to use in products
It may help the drug perform better
It cannot be measured in a laboratory
Explanation:
The form has better stability, greater solubility, and a higher melting point, and John says these qualities could improve absorption and heat resistance, so it may help the drug perform better.
5.
What will Laura do next?
She will prepare a report that includes the test results
She will discard the new form and start over
She will send the drug directly to customers
She will ask John to repeat the experiment immediately
Explanation:
Laura says, ‘I will include all test results,’ and John says, ‘Let’s prepare a report.’
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