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The oxides of nitrogen contain 63.65%, 4...

The oxides of nitrogen contain `63.65%, 46.69` and `30.64%` of nitrogen respectively. This data illustrate the law of

A

Constant Proportions

B

Multiple Proportions

C

Reciprocal Proportions

D

Conservation of mass

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The correct Answer is:
B
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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. The oxides of nitrogen contain 63.65%, 46.69 and 30.64% of nitrogen re...

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  2. Add 6.65 10^(4) and 8.95'10^(3).

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  3. Report tha answer to correct singificant figures in 2.5' 1.25

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  4. Two oxides of metal M have 27.6% and 30% oxygen by weight. If the form...

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  5. If dry air is considered to have only nitrogen and oxygen and is found...

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  6. No . of gram atoms in 1kg of Helium

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  7. No of gram atoms in 12.044 xx 10^(23) Na atoms

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  8. Mass of one hydrogen atom

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  9. No of atoms in 4 gram of calcium

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  10. No of molecules in 2.2 grams of Co(2)

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  11. The volume occupied by 35.5g of CI(2) at S.T.P.

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  12. Calculate the no. of moles in 0.72 grams of glucose ?

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  13. Calculate weight of 0.1 moles of Na(2)CO(3)?

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  14. Calculate the number of moles in 5.6 lit of methane at STP ?

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  15. Calculate weight of 3.011 xx 10^(23) molecules of SO(2)?

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  16. Calculate the number of molecules in 1120 ml of hydrogen at STP?

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  17. What is the ratio of number of molecules, if tha mass ratio of N(2) an...

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  18. Equivalent weight of sulphate ion and bicarbonate ion :

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  19. H(2)SO(4)+NaOH rarr NaHSO(4)+H(2)O In this equation the equivalent wei...

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  20. H(2)SO(4)+2NaOH rarr Na(2)SO(4) +2H(2)O In this equation the equivalen...

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  21. Mg(OH)(2)+HCI rarr Mg(OH)CI +H(2)O In this reaction, the equivalent ...

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