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Which of the following gives CORRECT ord...

Which of the following gives CORRECT order of increasing masses?
(Atomie mass: `N=14, O=16, Cu=63`)
I. 1 molecule of oxygen
II. 1 atom of nitrogen
III> `1xx10^(-10)` g molecular weigt of oxygen
IV. `1xx10^(-10)` g atomic weight of copper

A

IIltIltIIltIV

B

IVltIIIltIIltI

C

IIltIIIltIltIV

D

IIIltIVltIltII

Text Solution

Verified by Experts

The correct Answer is:
A
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TARGET PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EVALUATION TEST
  1. Weight of 112 ml of oxygen at NTP on liquefaction would be

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  2. The largest number of molecules in

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  3. The mass of a molecule of water

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  4. The modern atomic weight scale is based on

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  5. Which of the following gives CORRECT order of increasing masses? (At...

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  6. What is the weight of oxygen required for the complete combustion of 2...

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  7. 100 mL of PH(3) on decomposition produced phosphorus and hydrogen. The...

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  8. The molecular weight of a gas is 45. Its density at STP is

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  9. 1.4 moles of phosphorus trichloride are present in a sample. How many ...

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  10. In the reaction, 4NH(3)(g)+5O(2)(g) rarr 4NO(g)+6H(2)O(g), when 1 mole...

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  11. What weight of SO(2) can be made by burning sulphur in 5.0 moles of ox...

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  12. In INCORRECT statement for 14 g of CO is .

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  13. The number of gram atom of oxygen in 6.02xx10^(24) CO molecules is

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  14. Empricial formula of a hydrocarbon containing 80 % carbon and 20% hy...

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  15. Which of the following drug ailment pairs is CORRECT?

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  16. The magnitude of femto is

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  17. The number of moles in y g of helium gas is equal to

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  18. Which of the following is NOT a fundamental SI unit?

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  19. For a reaction A+3BtoC+D the amount of C formed by starting the reacti...

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  20. In an experiment 2.16 g of copper was dissolved in nitric acid followe...

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