From which mineral is radium obtained?
A. Rutile
B. Haematite
C. Limestone
D. Pitchblende
Answer: Option D
Solution(By Examveda Team)
On April 20, 1902, Marie and Pierre Curie successfully isolate radioactive radium salts from the mineral pitchblende in their laboratory in Paris. In 1898, the Curies discovered the existence of the elements radium and polonium in their research of pitch blende.This Question Belongs to General Knowledge >> General Science
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