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What is Graham's law of diffusion and ho...

What is Graham's law of diffusion and how is this law useful in the determination of molecular mass of a gas ?

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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -REVIEW EXERCISES
  1. The mass of a silver coin is 10.0 g. A person can carry a load of 40 k...

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  2. What do you understand by the molecular mass of a substance ? Write th...

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  3. What is Graham's law of diffusion and how is this law useful in the de...

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  4. What do you understand by molar volume of a gas ?

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  5. Describe molar volume method for the determination of molecular mass o...

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  6. 10 litres of a gas at S.T.P. weigh 19.64 g. Calculate the molecular ma...

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  7. 240 mL of a dry gas measured at 27°C and 750 mm pressure weighed 0.64 ...

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  8. 3.7 g of a gas at 25°C occupies the same volume as 0.184 g of hydrogen...

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  9. 20 dm^3 of an unknown gas diffuse through a porous partition in 60 s, ...

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  10. 127 mL of a gas at 136°C and 758 mm pressure weigh 0.4524 g. If 1 mL o...

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  11. In a Regnault's experiment, the mass of a definite volume of a gas was...

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  12. In Victor Meyer's experiment, 0.6 g of a volatile substance displaced ...

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  13. In a Victor Meyer's determination of molecular mass, 0.15 g of a volat...

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  14. Define the term molarity.

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  15. Which of the following does not decrease with rise in temperature ?

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  16. Calculate the normality and molarity of H2SO4 solution containing 4.9 ...

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  17. 6g of NaOH are dissolved in 200 cm^3 of water. What is the relation be...

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  18. Calculate the mass of the solute in the following solutions : (i) 10...

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  19. What is the molality of a semimolar NaCl solution if the density of th...

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  20. What is the molality of ammonia in a solution containing 0.85 g of NH^...

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