Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Indian Economic and Human Geography
Which of the following elements is obtained after refining monazite sands?
1
Gold
2
Thorium
3
Plutonium
4
More than one of the above
5
None of the above