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. Fritz Haber and Carl Bosch

B. Antoine Lavoisier

C. Dmitri Mendeleev

D. Wilhelm Ostwald

Answer: Option A

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 carbon-14 dating technique to determine the age of organic materials was developed by whom?

A. Marie Curie

B. Otto Hahn

C. Ernest Rutherford

D. Willard Libby

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Correct Answer: Option D

Explanation:
Willard Libby led the team that developed radiocarbon dating in 1949, winning the 1960 Nobel Prize in Chemistry.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered that light travels in packets of discrete energy called photons, explaining the Photoelectric Effect?

A. Louis de Broglie

B. Max Planck

C. Albert Einstein

D. Niels Bohr

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Correct Answer: Option C

Explanation:
Albert Einstein won the 1921 Nobel Prize in Physics for his 1905 paper applying quantum concepts to the photoelectric effect.

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Question #3

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Who discovered that biological chromosomes carry the unique hereditary factor tracking layouts, establishing Chromosome Theory?

A. Gregor Mendel

B. James Watson

C. Thomas Hunt Morgan

D. Walter Sutton and Theodor Boveri

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Correct Answer: Option D

Explanation:
Sutton and Boveri independently identified in 1902 that chromosome pairing and separation match Mendelian inheritance laws.

This question belongs to: Static General Knowledge Inventions and Discoveries

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