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The ratio between the number of atoms in...

The ratio between the number of atoms in equal masses of Hydrogen and Helium is

A

`1:2`

B

`2:1`

C

`1:4`

D

`4:1`

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The correct Answer is:
D
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AAKASH SERIES-STOICHIOMETRY-PRACTICE EXERCISE
  1. 10g of Calcium carbonate contains

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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. The ratio between the number of atoms in equal masses of Hydrogen and ...

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  4. 11.2L of O, at STP has the same mass as

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  5. 7g of nitrogen contains the same number of molecules as

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

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  7. Which of the following contains the maximum number of atoms?

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

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  9. Which of the following has the least mass?

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  10. {:("LIST - 1","LIST - 2"),("A) 22.4 lit. at STP","1) 1 cc of "N(2)" at...

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  11. {:("LIST - 1","LIST-2"),("A) 1 mole of","1) 44 g of oxide"),("lead nit...

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  12. {:("LIST - 1","LIST - 2"),(,"(Charge of 1 mole ions)"),("A) Azide ion"...

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  13. Vapour density of a compound is 39. It contains carbon and hydrogen at...

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  14. 10ml of an alkane on complete combustion gave 40ml of CO(2) under the ...

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  15. 15 c.c. of gaseous hydrocarbon required 45 c.c. of oxygen for complete...

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  16. Two elements 'A' and 'B' (atomic weights 75 and 16 respectively) combi...

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  17. 4g of a hydrocarbon on complete combustion gave 12.571g of CO(2) and 5...

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  18. The simplest formula of a compound containing 50% of element A (at.wt=...

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  19. A hydrocarbon was found to contain 91.3%C. The molecular formula of th...

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  20. The molecular weight of an organic compound is 180. Its empirical form...

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