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Science and Technology - General Knowledge Questions
Radium is obtained from which mineral
A)
Haematite
B)
Pitchblende
C)
Limestone
D)
None of the above

Correct Answer :   Pitchblende

Thus, radium is found in tiny quantities in the uranium ore uraninite and various other uranium minerals, and in even tinier quantities in thorium minerals. One ton of pitchblende typically yields about one seventh of a gram of radium

Published On : June 9, 2021
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