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Define molecule....

Define molecule.

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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. What is the si unit of viscosity?

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  2. Which of the following is an element?

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  3. Define molecule.

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  4. Three masses of oxygen in ferric oxide and ferrous oxide are in the si...

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  5. Which law explains the chemical combination of elements in H2O , H2S, ...

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  6. Which law explains the chemical combination of elements in CO , CO2 ?

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  7. Which law explains the chemical combination of elements in H2O ?

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  8. Express the relationship between equivalent mass ,valency and atomic m...

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  9. What is the equivalent weight of sodium ?

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  10. What is the relationship between atomic mass and equivalent mass of o...

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  11. Write gram equivalent mass of oxygen ?

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  12. The atomic mass of a metal 'M' is 27 and its equivalent mass is 9. Th...

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  13. What is the equivalent mass of an element?

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  14. Chemical standard for expressing atomic mass is :

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  15. How many molecules are present in 0.224 L of a gas at N.T.P.?

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  16. What is the volume of 17.75 g of chlorine at NTP ?

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  17. How many molecules of oxygen are present in one mole of sulphuric acid...

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  18. Avagadro's number of helium weight how many grams ?

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  19. How many moles of hydrogen molecules are there in one mole of hydrogen...

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  20. What is the molar volume of 2 grams of hydrogen gas at NTP taking the ...

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