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From which mineral is radium obtained?

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Correct Answer: Option D
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.
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Nangme Kamsha
Nangme Kamsha 7 years ago
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