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p- Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryp- Block Elements1 Mark
MCQ
The chief source of helium is:
  • A
    Air
  • B
    Radium
  • ✓
    Monazite
  • D
    Water
✓

Answer

Correct option: C.
Monazite
C

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