Every molecule of water contains-- Oxygen and --Hydrogen.

সাধারণ বিজ্ঞান Basic Information of Daily Science, Inventions and... 07 Oct, 2020

প্রশ্ন Every molecule of water contains-- Oxygen and --Hydrogen.

  • ক.
    2, 1
  • খ.
    1, 2
  • গ.
    3, 4
  • ঘ.
    2, 2

সঠিক উত্তর

1, 2

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