Who discovered the atomic element Radium alongside his wife Marie Skłodowska-Curie? MCQ with Answer and Explanation

Question
Who discovered the atomic element Radium alongside his wife Marie Skłodowska-Curie?
A. Henri Becquerel
B. J.J. Thomson
C. Ernest Rutherford
D. Pierre Curie
Answer: Option D
Solution (By JKSSB Mock Tests)
Pierre Curie collaborated deeply with Marie Curie to physically extract radium chloride from radioactive raw pitchblende matrices.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered artificial radioactivity and shared a Nobel Prize with her husband in 1935?
A. Marie Curie
B. Irène Joliot-Curie
C. Lise Meitner
D. Maria Goeppert Mayer
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Correct Answer: Option B

Explanation:
Irène Joliot-Curie (daughter of Marie Curie) and her husband Frédéric Joliot-Curie discovered artificial radioactivity.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that the planet Venus has phases similar to the Moon, supporting the heliocentric theory?
A. Johannes Kepler
B. Nicolaus Copernicus
C. Tycho Brahe
D. Galileo Galilei
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Correct Answer: Option D

Explanation:
Galileo Galilei observed the phases of Venus in 1610 using his telescope, confirming that it orbits the Sun.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered that the chemical element Lithium is isolated from petalite mineral matrices?
A. Jöns Jacob Berzelius
B. Antoine Lavoisier
C. Humphry Davy
D. Johan August Arfwedson
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Correct Answer: Option D

Explanation:
Arfwedson discovered lithium in 1817 while analyzing mineral crystals under Berzelius's laboratory direction.
This question belongs to: Static General Knowledge Inventions and Discoveries
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