The invention of Teflon (PTFE) was an accidental discovery by which chemist in 1938? MCQ with Answer and Explanation

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The invention of Teflon (PTFE) was an accidental discovery by which chemist in 1938?

A. Wallace Carothers

B. Gideon Sundback

C. Leo Baekeland

D. Roy Plunkett

Answer: Option D

Solution (By JKSSB Mock Tests)

Roy J. Plunkett accidentally discovered polytetrafluoroethylene (Teflon) while researching alternative chlorofluorocarbon refrigerants.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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Who discovered that atomic structural properties are governed by specific continuous wave function coordinates, formulating Wave Mechanics?

A. Max Born

B. Niels Bohr

C. Erwin Schrödinger

D. Werner Heisenberg

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Correct Answer: Option C

Explanation:
Erwin Schrödinger formulated the Schrödinger Equation in 1925, introducing wave function dynamics to quantum models.

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Question #2

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The invention of the common chemical processing method known as the Ostwald Process optimized production of what?

A. Nitric Acid

B. Phosphoric Acid

C. Sulfuric Acid

D. Ammonia

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Correct Answer: Option A

Explanation:
Wilhelm Ostwald patented the catalytic oxidation of ammonia over platinum mesh sheets in 1902, securing key munitions chemicals.

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Question #3

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The invention of the cotton gin, which automated the extraction of seeds from cotton fiber, is credited to whom?

A. Eli Whitney

B. James Hargreaves

C. Richard Arkwright

D. Samuel Crompton

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Correct Answer: Option A

Explanation:
Eli Whitney patented the cotton gin in 1794, revolutionizing the cotton industry in the United States.

This question belongs to: Static General Knowledge Inventions and Discoveries

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