From Which Mineral is Radium Obtained?

  1. Rutile
  2. Haematite
  3. Limestone
  4. Pitchblende
Monis Rasool Professor Asked on 11th June 2015 in Chemistry.
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1 Answer(s)

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Answer: (4) Pitchblende
Radium obtained from Pitchblende Mineral. It was discovered by the Pierre Curie Marie in 1898. It is the heaviest known as alkaline earth metal.
About Radium-

RE: From Which Mineral is Radium Obtained?


Symbol                 Ra
Atomic number 88
Atomic weight   226
Boiling point       1737oC
Density                 5.5 g/cm3
It is used in production of tooth paste, hair creams and even food items due to its supposed curative powers.

Anurag Mishra Professor Answered on 14th June 2015.
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