The process of pasteurization to destroy harmful microbes in milk and wine was developed by whom? MCQ with Answer and Explanation
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Question #1
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The invention of high-strength Kevlar fiber, used in body armor, is credited to which female chemist?
Correct Answer: Option A
Explanation:
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who invented the mercury thermometer in 1714?
Correct Answer: Option A
Explanation:
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer in 1714 and developed the Fahrenheit scale.
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer in 1714 and developed the Fahrenheit scale.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who is credited with inventing the modern ballpoint pen in 1938?
Correct Answer: Option C
Explanation:
Hungarian journalist László Bíró invented the first commercially successful ballpoint pen, which bears his name ('Biro') in many countries.
Hungarian journalist László Bíró invented the first commercially successful ballpoint pen, which bears his name ('Biro') in many countries.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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