Who discovered that electrical currents passing through solutions break down compounds chemically, formalizing the Laws of Electrolysis? MCQ with Answer and Explanation

Question

Who discovered that electrical currents passing through solutions break down compounds chemically, formalizing the Laws of Electrolysis?

A. Alessandro Volta

B. Humphry Davy

C. Svante Arrhenius

D. Michael Faraday

Answer: Option D

Solution (By JKSSB Mock Tests)

Michael Faraday established the quantitative laws of electrolysis, introducing terms like anode, cathode, and ion.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered Vitamin C (ascorbic acid) and its role in preventing scurvy, winning a Nobel Prize in 1937?

A. Frederick Hopkins

B. Casimir Funk

C. Linus Pauling

D. Albert Szent-Györgyi

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Correct Answer: Option D

Explanation:
Albert Szent-Györgyi isolated Vitamin C and discovered its metabolic components, receiving the Nobel Prize in Physiology or Medicine.

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Question #2

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The fundamental laws of electric resistance ($V = IR$) were discovered by which physicist?

A. James Watt

B. Georg Simon Ohm

C. André-Marie Ampère

D. Alessandro Volta

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Correct Answer: Option B

Explanation:
Georg Simon Ohm discovered the direct proportionality between voltage and current across a conductor, known as Ohm's Law.

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Question #3

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The invention of the common kitchen refrigeration insulation system known as the domestic electric refrigerator was scaled by which engineer?

A. James Dewar

B. Thomas Edison

C. Willis Carrier

D. Fred W. Wolf and Nathaniel B. Wales

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Correct Answer: Option D

Explanation:
Wolf invented early air-cooled attachment refrigerator units in 1913, and Wales engineered units that Kelvinator mass-marketed.

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