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Which of the following pairs are iso...

Which of the following pairs are isotopes ?

A

Oxygen and ozone

B

Ice and water

C

`NO and NO_(3)`

D

Hydrogen and deuterium

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The correct Answer is:
D
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SURA PUBLICATION-ATOMS AND MOLECULES-ADDITIONAL QUESTIONS & ANSWER ( CHOOSE THE CORRECT ANSWER ):
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  2. Mass of an electron is .

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  3. Which of the following pairs are isotopes ?

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  4. The atomic number of an element is 12 and its mass number is ...

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  5. An atom which has a mass number of 14 and 8 neutrons is an

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  6. Which of the following has an equal number of neutrons and proton...

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  7. An atom of an element has 13 electrons and mass number 27. th...

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  8. The relative atomic masses of many elements are not whole numbe...

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  9. The smallest particle of an element which involue in a chemical ...

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  10. ""(17) Cl ^(35) , ""(17 ) Cl ^(37) from the pair of

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  11. Isotones have equal number of

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  12. The atomicity of chlorine is

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  13. Total number of atoms in 4g of oxygen molecules is

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  14. Which of the following contains maximum number of molecules ?

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  15. What is the mass of 12.044 xx 10^(23) number of O2 molecules ?

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  16. The total number of electrons present in 16 g of methane gas i...

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  17. The number of atoms in 0.1 mole of a triatomic gas is

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  18. The number of particles present in one mole of any substance is...

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  19. Total number of molecules in 44 g of CO2 is

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