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14g of element X combine wilh 16 g of ox...

14g of element X combine wilh 16 g of oxygen. On the basis of this information, which of the followings is a correct statement?

A

The element X could have an atomic weight of 7 and its oxide is XO

B

The element X could have an atomic weight of 14 and its oxide formula is `X_2O`

C

The element X could have an atomic weight of 7 and its oxide is `X_2O`

D

The element X could have an atomic weight of 14 and its oxide is `X_2O`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. Two samples of lead oxide were separately reduced to metallic lead by ...

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  2. One part of an clement A combines with two parts of B (another element...

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  3. 14g of element X combine wilh 16 g of oxygen. On the basis of this inf...

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  4. Chemical equation is balanced according to the law of

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  5. {:("LIST - 1","LIST - 2"),("A) Law of conservation of Mass","1) "V(1)/...

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  6. Carbon and oxygen combine to form two oxides, carbon monoxide and carb...

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  7. Two elements X (at.mass 16) ard Y (at. mass 14) combine to form compou...

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  8. 4.4g of an oxide of nitrogen gives 2.24L of nitrogen and 60g of anothe...

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  9. Which one of the following is an isobar of ""(6)C^(14) ?

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  10. The molar volume of any gas at STP is

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  11. One gram - atom of oxygen is

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  12. One gram molecule of oxygen is

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  13. Avogadro number is

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  14. A mole is define so A) the amount of substance containing the same n...

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  15. The mass of a mole of hydrogen atoms is

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  16. The molar mass of hydrogen is

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  17. One mole of atoms of oxygen represents

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  18. The number of molecules in one litre of air at STP is

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  19. Which of the following contains the least number of molecules ?

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  20. Air contains nitrogen and oxygen in the volume ratio of 4:1. The avera...

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