The invention of the common chemical manufacturing system known as the Contact Process optimized production of what? MCQ with Answer and Explanation

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The invention of the common chemical manufacturing system known as the Contact Process optimized production of what?

A. Nitric Acid

B. Ammonia

C. Hydrochloric Acid

D. Sulfuric Acid

Answer: Option D

Solution (By JKSSB Mock Tests)

Peregrine Phillips patented the contact process in 1831, using platinum catalysts to convert sulfur dioxide into sulfur trioxide.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that elements display unique crystalline patterns when rapidly frozen from molten metal matrices, founding physical Metallurgy?

A. Henry Clifton Sorby

B. Antoine Lavoisier

C. Henry Bessemer

D. Dmitri Mendeleev

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Correct Answer: Option A

Explanation:
Sorby applied microscopic analysis to polished iron and steel samples, establishing microstructure phase boundaries.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered the fundamental principle of chemical thermodynamics relating free energy, enthalpy, and entropy?

A. Lord Kelvin

B. Sadi Carnot

C. Josiah Willard Gibbs

D. James Joule

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Correct Answer: Option C

Explanation:
Josiah Willard Gibbs formulated Gibbs Free Energy ($G = H - TS$), establishing mathematical precision within physical chemistry.

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Question #3

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The invention of the common matchstick containing phosphorus triggered by friction was developed by whom?

A. Humphry Davy

B. Antoine Lavoisier

C. Robert Boyle

D. John Walker

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Correct Answer: Option D

Explanation:
English chemist John Walker invented the first friction match in 1826 by coating cardboard or wooden splints with sulfide pastes.

This question belongs to: Static General Knowledge Inventions and Discoveries

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