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What do you understand by first contract...

What do you understand by first contraction and second contraction in an eudiometric experiment?

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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE (SHORT TYPES QUESTIONS)
  1. State and explain Avogadro's hypothesis.

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  2. What is formula mass ? Relative masses of which type of compounds are ...

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  3. What is molar volume ? Write its value at STP.

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  4. What are the corollaries of Avogadro's hypothesis?

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  5. Prove that, 1 mol of any ideal gas occupies a volume of 22.4 L at STP.

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  6. Write the modern definition of avogadro's number.

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  7. State the effect of temperature and pressure on absolute density and r...

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  8. "What is the equivalent mass of Cu"? Comment on this question.

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  9. The equivalent mass of Fe in FeO is

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  10. Calculate the equivalent mass of KMnO(4) in acid medium.

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  11. State dulong and Petit's law of determination of atomic mass.

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  12. What are isomorphous crystals? Give examples.

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  13. Show that the equivalent mass of an element cannot be greater than its...

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  14. Can the equivalent mass of an element be zero? Explain.

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  15. The equivalent mass of a certain element may vary. Explain.

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  16. The atomic mass of an element is a and the formula of its oxide is M(2...

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  17. The empirical and the molecular formula of a compound are ont always t...

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  18. What is limiting reagent? Explain with example.

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  19. What do you understand by first contraction and second contraction in ...

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  20. Define the following terms: (a) percentage strength (W/W), (b) molarit...

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