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The number of water molecules present in...

The number of water molecules present in 8 g of oxygen gas are:

A

6.022 xx 10^(23)'

B

3.011 xx 10^(23) '

C

12.044 xx 10^(23)'

D

1.55 xx 10^(23)'

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The correct Answer is:
D
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V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
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  2. The number of molecules in 16 g of methane is

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  3. The number of water molecules present in 8 g of oxygen gas are:

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  4. 10g CaCO3 on reaction with 0.1 M HCl acid will produce CO2 :- 1120cm...

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  5. The percentage of nitrogen in urea is about.

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  6. 7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is

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  7. The number of water molecules present in a drop of water (volume 0.001...

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  8. 10 dm^3 of N2 gas and 10 dm^3 of gas x at the same temperature contain...

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  9. 7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is

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  10. The prefix tera means

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  11. The mass of slaked lime necessary to decompose completely 1.07 g of am...

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  12. The laws of chemical combination are the basis of the atomic theory. N...

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  13. The simplest formula of a compound containing 50 % of element X (atomi...

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  14. Which contains the same number of atoms as in 6g carbon?

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  15. 32 g of a gas contains 6.022 xx 10^(23) molecules. Its vapour density ...

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  16. If LPG cylinder contains a mixture of butane and isobutane, then the a...

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  17. How many moles of water would be formed when 4g of methane ('CH4') are...

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  18. The number of gram molecule of oxygen in 6.02 xx 10^(24) CO molecules ...

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  19. The equivalent weight of 'K2 Cr2 O7' in acidic medium is expressed in ...

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  20. The total number of electrons in 18 mL of water (density =1' g mL^(-1)...

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