Multiple choice general knowledge

From which mineral is radium obtained?

  1. Limestone

  2. Haematite

  3. Pitchblende

  4. Rutile

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Radium is primarily obtained from pitchblende (also known as uraninite), which is a uranium-rich ore. The Curies discovered radium by processing tons of pitchblende ore to isolate this radioactive element.