Who discovered that gases diffuse at specific rates relative to temperature variations, formalizing the Charles's Law? MCQ with Answer and Explanation
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Question #1
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Who discovered the positron (the antiparticle of the electron) in 1932?
Correct Answer: Option D
Explanation:
Carl David Anderson discovered the positron using a cloud chamber to analyze cosmic rays, confirming Paul Dirac's theoretical prediction.
Carl David Anderson discovered the positron using a cloud chamber to analyze cosmic rays, confirming Paul Dirac's theoretical prediction.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered Nitrogen element in 1772?
Correct Answer: Option C
Explanation:
Scottish physician Daniel Rutherford isolated nitrogen in 1772, calling it 'noxious air'.
Scottish physician Daniel Rutherford isolated nitrogen in 1772, calling it 'noxious air'.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the common mechanical office typewriter correction fluid ('Liquid Paper') was developed by which female innovator?
Correct Answer: Option B
Explanation:
Graham mixed white tempera paint in a blender in the 1950s to fix her typing errors, later scaling the multi-million-dollar Liquid Paper company.
Graham mixed white tempera paint in a blender in the 1950s to fix her typing errors, later scaling the multi-million-dollar Liquid Paper company.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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