what is osphradium?

NIN,

Radium is used to cure which disease? (A) Cancer (B) Bright?s disease (C) Haemophilia (D) Typhoid fever

From which mineral is radium obtained? 1 Limestone 2 Hematite 3 Pitchblende 4 Rutile

TCS,

From which mineral is radium obtained ? a) Limestone b) Haematite c) Pitchblende d) Rutile

What is radium used for?

Tell me what is radium used for?