General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 40)
40.
From which mineral is radium obtained?
Rutile
Haematite
Limestone
Pitchblende
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
15 comments Page 2 of 2.

A VENKATESH said:   1 decade ago
Why should I use another metal?

Garima said:   1 decade ago
Pitchblende is U3O8. It is an oxide ore of Uranium. Marie Curie discovered Ra and Po from this ore.

Sushmitha said:   1 decade ago
Why not the other minerals?

KUNJABIHARI said:   1 decade ago
Then from which ore zinc is extracted.

Vijay kumar said:   1 decade ago
Uraninite is a radioactive, uranium-rich mineral and ore with a chemical composition that is largely UO2, but also contains UO3 and oxides of lead, thorium, and rare earth elements. It is most commonly known as pitchblende..


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