Who discovered the composition of water as a compound of hydrogen and oxygen gases? MCQ with Answer and Explanation
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Question #1
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The invention of the highly reflective silver glass surface mirror layout was developed by which chemist?
Correct Answer: Option B
Explanation:
Liebig developed the chemical process of depositing thin metallic silver onto glass panes using chemical reduction reactions in 1835.
Liebig developed the chemical process of depositing thin metallic silver onto glass panes using chemical reduction reactions in 1835.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The barometers, used to measure atmospheric pressure, was invented by whom?
Correct Answer: Option D
Explanation:
Evangelista Torricelli, an Italian physicist, invented the mercury barometer in 1643.
Evangelista Torricelli, an Italian physicist, invented the mercury barometer in 1643.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered the fundamental principle of chemical thermodynamics relating free energy, enthalpy, and entropy?
Correct Answer: Option A
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
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