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4.4 g CO(2) contain ........... oxygen ...

`4.4 g CO_(2)` contain ........... oxygen atoms.

A

`1.2044xx10^(23)`

B

`1.2044xx10^(22)`

C

`1.68xx10^(23)`

D

`1.68xx10^(22)`

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A, B, C, D
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KUMAR PRAKASHAN-SOME BASIC CONCEPTS OF CHEMISTRY-Section - C (Multiple Choice Questions (MCQs)) (MCQs asked in Competitive Exam)
  1. Which unit of concentration does not depends on temperature ?

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  2. From the following which one has least number of molecules ?

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  3. 4.4 g CO(2) contain ........... oxygen atoms.

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  4. The normality of aqueous solution of 1 M H(3)PO(4) is ...........

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  5. What is the volume of 1 g hydrogen gas at STP ?

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  6. The total number of protons in 10 g CaCO(3) are......

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  7. One metal hydrogen phosphate has molecular formula MHPO(4) then what ...

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  8. One amu is equal to.....

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  9. Number of g of oxygen in 32.2 g Na(2)SO(4)* 10H(2)O (Mol. omega t = 32...

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  10. The weight of 1 molecule of the compound C(60)H(122) is...(N(A)=6.0x...

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  11. The percentage of nitrogen in urea is about......

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  12. The ratio of atomic mass of H and carbon is 1 : 3 in one hydrogen then...

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  13. The number of significant figures in 6.0023 are

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  14. A mixture of methyl alochol and acetone can be separated by

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  15. 2.5 L of 1 M NaOH solution is mixed with another 3 L solution of 0.5 M...

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  16. How many grams of KMnO(4) required for the redox reaction of 1 L of 1N...

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  17. 3.01xx10^(23)Ca^(+2) and CO(3)^(-2) ions are present in CaCO(3). The...

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  18. The atoms of 0.004 g magnesium are.....

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  19. 1 mole SO(2)=..........

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  20. 1 gram hydrogen is present in 0.0833 mole carbohydrate. The empirical ...

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