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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 discussion of a new polymorphic form and its improved properties
A complaint about poor laboratory equipment
A debate about whether the drug should be discontinued
A plan to launch a new marketing campaign for a drug
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 testing the drug in patients
By comparing sales reports
By using X-ray diffraction analysis
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 packaging
Its stability
Its smell
Its color
Explanation:
Laura states that the new form ‘has better stability.’
4.
What can be inferred about the new polymorphic form?
It must be unsafe to use in products
It is likely less useful than the old form
It cannot be measured in a laboratory
It may help the drug perform better
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 discard the new form and start over
She will ask John to repeat the experiment immediately
She will prepare a report that includes the test results
She will send the drug directly to customers
Explanation:
Laura says, ‘I will include all test results,’ and John says, ‘Let’s prepare a report.’
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