Who invented the high-pressure industrial chemical synthesis of ammonia from raw nitrogen and hydrogen gases? MCQ with Answer and Explanation

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Who invented the high-pressure industrial chemical synthesis of ammonia from raw nitrogen and hydrogen gases?

A. Wilhelm Ostwald

B. Fritz Haber and Carl Bosch

C. Dmitri Mendeleev

D. Antoine Lavoisier

Answer: Option B

Solution (By JKSSB Mock Tests)

The Haber-Bosch process synthesized ammonia efficiently on an industrial scale, revolutionizing agricultural fertilizers.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the iconic acoustic phonograph recording flat disc format (Gramophone) was developed by whom?

A. Nikola Tesla

B. Emile Berliner

C. Alexander Graham Bell

D. Thomas Edison

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Correct Answer: Option B

Explanation:
Emile Berliner introduced flat zinc discs with lateral groove tracking in 1887, outperforming Edison's hollow wax storage cylinders.

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Question #2

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The concept of 'Universal Turing Machine', the structural basis for the modern digital computer, was discovered by whom?

A. Ada Lovelace

B. Alan Turing

C. Charles Babbage

D. John von Neumann

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Correct Answer: Option B

Explanation:
Alan Turing formulated the mathematical concept of a Turing Machine in 1936, simulating logical computing execution.

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Question #3

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Who discovered that the chemical element Iodine is isolated from seaweed ash matrices?

A. Antoine Lavoisier

B. Joseph Louis Gay-Lussac

C. Bernard Courtois

D. Humphry Davy

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Correct Answer: Option C

Explanation:
Bernard Courtois isolated violet iodine vapors accidentally in 1811 while adding excess sulfuric acid to seaweed extract solutions.

This question belongs to: Static General Knowledge Inventions and Discoveries

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