Uranium percentage in monazite sand is about________________?
Correct answer: B. 0.25
- A. 0.01
- B. 0.25
- C. 1.2
- D. 7
Explanation
Monazite is chiefly a thorium-bearing phosphate but commonly contains about 0.1 to 0.3% uranium, making 0.25% the appropriate approximate value. The other percentages are too high for uranium content in typical monazite sand.
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