The invention of the highly flexible modern structural material known as Synthetic Rubber (Buna) was developed where? MCQ with Answer and Explanation

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The invention of the highly flexible modern structural material known as Synthetic Rubber (Buna) was developed where?

A. England

B. Germany by IG Farben laboratories

C. Russia

D. United States

Answer: Option B

Solution (By JKSSB Mock Tests)

German chemists synthesized sodium-catalyzed butadiene copolymers (Buna-S and Buna-N) to secure alternative industrial resources.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that the planet Saturn has a prominent ring system and its largest moon, Titan?

A. Giovanni Cassini

B. William Herschel

C. Galileo Galilei

D. Christiaan Huygens

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Correct Answer: Option D

Explanation:
Christiaan Huygens correctly identified Saturn's rings in 1655 and discovered its largest moon, Titan.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?

A. Michael Faraday

B. Georg Ohm

C. Humphry Davy

D. Luigi Galvani and Alessandro Volta

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Correct Answer: Option D

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.

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Question #3

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

A. Humphry Davy

B. Bernard Courtois

C. Joseph Louis Gay-Lussac

D. Antoine Lavoisier

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Correct Answer: Option B

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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