The invention of the common household refrigeration fluid known as Freon (CFC) was developed by which chemist? MCQ with Answer and Explanation
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Question #1
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The invention of the mechanical calculating machine named 'Pascaline' in 1642 was completed by whom?
Correct Answer: Option A
Explanation:
Blaise Pascal invented the Pascaline to assist his father, a tax commissioner, in performing arithmetic addition and subtraction.
Blaise Pascal invented the Pascaline to assist his father, a tax commissioner, in performing arithmetic addition and subtraction.
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?
Correct Answer: Option C
Explanation:
Josiah Willard Gibbs formulated Gibbs Free Energy ($G = H - TS$), establishing mathematical precision within physical chemistry.
Josiah Willard Gibbs formulated Gibbs Free Energy ($G = H - TS$), establishing mathematical precision within physical chemistry.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that the planet Saturn has a prominent ring system and its largest moon, Titan?
Correct Answer: Option D
Explanation:
Christiaan Huygens correctly identified Saturn's rings in 1655 and discovered its largest moon, Titan.
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
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