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. United States

B. Russia

C. England

D. Germany by IG Farben laboratories

Answer: Option D

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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Question #1

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Who discovered the law of conservation of mass in chemical reactions?

A. John Dalton

B. Robert Boyle

C. Antoine Lavoisier

D. Joseph Priestley

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Correct Answer: Option C

Explanation:
Antoine Lavoisier formulated the Law of Conservation of Mass in 1789, proving that mass is neither created nor destroyed in chemical transformations.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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The invention of the common household safety glass used in car windows was an accidental discovery by whom?

A. Leo Baekeland

B. Édouard Bénédictus

C. Roy Plunkett

D. King Gillette

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Correct Answer: Option B

Explanation:
Bénédictus dropped a glass flask coated with a dried cellulose nitrate plastic film in 103, discovering that the shards held together.

This question belongs to: Static General Knowledge Inventions and Discoveries