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

A. Bleaching Powder

B. Soda Ash

C. Sulfuric Acid

D. Nitric Acid

Answer: Option C

Solution (By JKSSB Mock Tests)

John Roebuck patented the lead-chamber method in 1746, enabling the mass production of sulfuric acid, a key chemical of the Industrial Revolution.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The invention of the common mechanical device known as the industrial centrifugal cream separator was patented by whom?

A. James Watt

B. Gustaf de Laval

C. Eli Whitney

D. Cyrus McCormick

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Correct Answer: Option B

Explanation:
De Laval patented the high-speed continuous centrifugal cream separator in 1878, streamlining commercial dairy production.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of the common mechanical device known as the automated teller machine (ATM) was patented by whom?

A. Alan Turing

B. John Shepherd-Barron and Don Wetzel

C. Douglas Engelbart

D. Tim Berners-Lee

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Correct Answer: Option B

Explanation:
Shepherd-Barron deployed early mechanical paper-voucher ATMs for Barclays Bank in London in 1967.

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Question #3

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Who discovered that gases diffuse at specific rates relative to temperature variations, formalizing the Charles's Law?

A. Jacques Charles and Joseph Louis Gay-Lussac

B. Robert Boyle

C. Amadeo Avogadro

D. John Dalton

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Correct Answer: Option A

Explanation:
Jacques Charles collected gas expansion data in the 1780s, which Gay-Lussac later published as a direct linear volume-temperature relation.

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