Which one is the lightest gas?

06 Apr, 2025

প্রশ্ন Which one is the lightest gas?

  • ক.
    Carbon-di-oxide
  • খ.
    Hydrogen
  • গ.
    Oxygen
  • ঘ.
    helium

সঠিক উত্তর

helium

মন্তব্য

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