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Atomic mas of an element is :...

Atomic mas of an element is :

A

actual mass of one atom of the element

B

relative mass of an atom of the element

C

average relative mass of different atoms of the element

D

always a whole numberEx

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The correct Answer is:
C
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ALLEN-MOLE CONCEPT-EXERCISE - 01
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  2. That the atom is indivisible was proposed by .

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  3. Atomic mas of an element is :

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  4. Which of the following expressions is correct ( n = no. of moles of t...

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  5. The volume of 1 mol of a gas at standard temperature and pressure is .

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  6. The charge on 1 gram ions of AI^(3+) is .

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  7. In which of the following pairs do 1 g of each have an equal number of...

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  8. A quantity of aluminium has a mass of 54.0 g. What is the mass of the ...

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  9. Which of the following samples contains the largest number of atoms ? ...

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  10. Which of the following contains greatest number of oxygen atoms ? .

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  11. A sample of ammonium phosphate (NH(4))(3) PO(4) contains 3.18 moles of...

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  12. How many moles of electrons weigh one kilogram?

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  13. A compounds was found to contain 5.37% nitrogen. What is the minimum m...

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  14. Under the same conditions, two gases have the same number of molecules...

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  16. The atomic weight of Cu is 63.546. There are only two naturally occurr...

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  17. If the percentage of water of crystallization in MgSO(4) .x H(2)O is 1...

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  18. A pure gas that is 14.3% hydrogen and 85.7% carbon by mass has a densi...

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  19. A certain alkaloid has 70.8% carbon, 6.2% hydrogen, 4.1% nitrogen and ...

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  20. The empirical formula of a compound of molecular mass 120 is CH(2)O. ...

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