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One mole of molecules of dioxygen repres...

One mole of molecules of dioxygen represents 

A

`6.02 xx 10^(23)` molecules of oxygen

B

8gms of oxygen

C

16g of `O_(2)`

D

11.2L of `O_(2)` at STP

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The correct Answer is:
A
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. Air contains nitrogen and oxygen in the volume ratio of 4:1. The avera...

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  2. The number of gram atoms of hydrogen present in 1.5 mole of hydrogen s...

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  3. One mole of molecules of dioxygen represents

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  4. One mole of sodium represents

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  5. The charge present on 1 mole electronsis

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  6. The weight of 0.1 mole of Na(2)CO(3) is

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  7. The molar mass of a substance is 20g. The molecular mass of the substa...

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  8. Avogadro number of helium atoms have a mass of

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  9. The volume of two moles of oxygen at STP

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  10. The following property of a gas does not vary with pressure and temper...

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  11. The ratio between the number of molecules in equal masses of nitrogen ...

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  12. The gas which is twice as dense as oxygen under the same conditions is

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  13. 1 mole of water vapour is condensed to liquid at 25^(@)C. Now this wat...

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  14. A chemical equation is always balanced with respect which one of the f...

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  15. Which of the following has highest mass?

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  16. 1 gram of hydrogen contains6xx10^(23) atoms. Then 4 grams of He contai...

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  17. Elements 'A' and 'B' combine in the ratio of their

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  18. Mg of a substance when vaporized occupy a volume of 5.6 litre at NTP. ...

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  19. Which among the following is the heaviest?

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  20. Molecular weight of orthophosphoric acid is M. Its equivalent weight i...

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