Who was the first pilot to break the sound barrier? MCQ with Answer and Explanation

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Who was the first pilot to break the sound barrier?

A. Neil Armstrong

B. Yuri Gagarin

C. John Glenn

D. Chuck Yeager

Answer: Option D

Solution (By JKExamLibrary)

Chuck Yeager flew the Bell X-1 faster than the speed of sound in 1947.

This question belongs to: Static General Knowledge First in the World

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Who discovered the Wow signal source candidate?

A. Recent studies

B. No confirmed

C. Jerry Ehman

D. SETI

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Correct Answer: Option B

Explanation:
Still unidentified.

This question belongs to: Static General Knowledge First in the World

Question #2 Report Error

Who discovered oxygen?

A. All of the above

B. Carl Wilhelm Scheele

C. Antoine Lavoisier

D. Joseph Priestley

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Correct Answer: Option A

Explanation:
Priestley, Scheele, and Lavoisier contributed to its discovery.

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Who was the first to reach the summit of Makalu?

A. Edmund Hillary

B. Tenzing Norgay

C. Reinhold Messner

D. Jean Franco

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Correct Answer: Option D

Explanation:
Jean Franco led the French expedition.

This question belongs to: Static General Knowledge First in the World

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