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Class 9 Chemistry Entrance Exam: Certification Test 209

Relative Atomic Mass and Mass Unit Notes App & e-Book: MCQ 209

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MCQ: 209

A hydrogen atom is

  1. 8.40% as massive as C-12
  2. 10% as massive as C-12
  3. 20% as massive as C-12
  4. 30% as massive as C-12
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Relative Atomic Mass and Mass Unit Textbook Tests: Class 9 Chemistry App & eBook Notes

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