GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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From which mineral is radium obtained?
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Haematite
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Rutile
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Limestone
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Pitchblende
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Explanation:
Detailed explanation-1: -Detailed Solution. The correct answer is Pitchblende. Marie and Pierre Curie, Polish and French chemists, discovered radium in 1898. The discovery came from the study of pitchblende (a type of uranium ore) found in Bohemia (today’s Czech Republic).
Detailed explanation-2: -Sources. Radium is a decay product of uranium, so it is found in small amounts in all uranium-bearing rocks. It was chiefly obtained as a by-product of uranium processing.
Detailed explanation-3: -THE EXTRACTION OF URANIUM FROM PITCHBLENDE BY AMMONIUM CARBONATE.
Detailed explanation-4: -Pitch blende is used in isolation of radium.
There is 1 question to complete.