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9th Class Science Atoms and Molecules Question Bank 9th CBSE Science Atoms and Molecules

  • question_answer
                                                  Hydrogen and oxygen combine in the ratio of 1 : 8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas?

    Answer:

                      Since hydrogen and oxygen combine in the ratio of 1 : 8 by mass, 3 g of hydrogen gas will react completely with 24 g of oxygen gas.


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