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Number of particles present in 32 g of o...

Number of particles present in 32 g of oxygen molecule are……………

A

`6.022 times 10^20`

B

`3.011 times 10^23`

C

`6.022 times 10^22`

D

`6.022 times 10^23`

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VGS PUBLICATION-BRILLIANT-ATOMS AND MOLECULES-OBJECTIVE TYPE QUESTION
  1. Avogadro constant NA=………….

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  2. Molar mass of water=…………..U.

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  3. Number of particles present in 32 g of oxygen molecule are……………

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  4. Convert in to moles: 22 g of carbon dioxide

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  5. The valency of copper in Cu2O is………..

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  6. Number of particles in 7.75 g of phosphorous is…….

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  7. Symbol of nitrate is………….

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  8. Statement -I The symbol of chloride ion is Cl^-. Statement -II: The...

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  9. Symbol of sodium ion is……………

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  10. The formula of Aluminium Carbonate is……….

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  11. The symbol of Zinc ion is………

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  12. Which of the following statement is not given by Dalton? Statement (A)...

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  13. Who is correct? Srinu: Elements are made up of atoms. Mohan: Atoms...

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  14. Assertion (A): The atomic mass of magnesium is 24. Reason ( R): Magn...

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  15. Assertion (A): Atomic mass has no units. Reason ( R): Atomic mass is...

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  16. An iron rod changed into iron oxide by rusting. Guess how the weights ...

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  17. In the experiment of “To prove law of conservation of mass”, Manoj fou...

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  18. CO:1:1::CO2:……………?

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  19. Molecules in water is H2O then molecules in the Hydrogen is

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  20. Why did symbol of copper taken as 'Cu'?

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