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The largest number of molecules are in...

The largest number of molecules are in

A

`36 g H_2O`

B

28 g CO

C

46 g `C_2H_5OH`

D

54 g `N_2O_5`

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The correct Answer is:
A
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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Number of mole of 1 m^3 gas at NTP are :

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  2. Amount of oxygen required for complete combustion of 27 g Al IS :

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  3. The largest number of molecules are in

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  4. The number of molecules in 27 g of water is :

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  5. The volume of 20 g oh H2 at STP is :

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  6. 22g of CO2 at STP will occupy :

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  7. The volume of gram molar volume of gas is :

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  8. 0.44 g of a colourless oxide of nitrogen occupies 224 ml at STP. The c...

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  9. Molecular weight of tribasic acis is W. its equivalent weight will be ...

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  10. A , E, M , and n are the atomic weight equivalent weight , molecular ...

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  11. The equivalent weight of acid is obtained by dividing its mol. Wt. by ...

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  12. The weight of two elements which combine with one another are in the r...

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  13. Which property of an element is not variable :

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  14. For the reaction A +2B rarr C , 5 mole of A and 8 mole of B will produ...

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  15. 10 ml of gaseous hydrocarbon on combustion gives 40 ml of CO2(g) and 5...

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  16. 2.76 g of silver carbonate on being strongly heated yields a residue w...

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  17. The maximum amount of BaSO4 precipitated on mixing 20 ml of 0.5 M BaC...

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  18. The number of mole of water in 488 g BaCl2 ,2H2O are :

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  19. 100 ml of PH3 when decomposed produces phosphorus and hydrogen . The c...

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  20. In one mole of ethanol (C2H5OH) completely burns to carbon dioxide and...

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