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Class 9 Chemistry Learning Guide: Certification Test 220

Chemical Calculations Quiz App & e-Book: MCQ 220

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MCQ: 220

A balloon filled with 5g of hydrogen contains

  1. 2.48 moles of H2
  2. 3.48 moles of H2
  3. 4.48 moles of H2
  4. 5 moles of H2
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