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 1 of 2.

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..

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

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

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

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

BIKASH KR said:   1 decade ago
Why radium is not obtained from limestone?

Shristi said:   1 decade ago
The chemical formula of Rutile is TiO2 , haematite is Fe2O3, limestone is CaCo3 and that of pitchblende is U3O8.

Sds said:   9 years ago
Which metals are extracted from Pitchblende?

S.vasanthi said:   8 years ago
Radium is a solid metal.

Aashi rathore said:   8 years ago
Why is radium obtained from pitchblende?


Post your comments here:

Your comments will be displayed after verification.