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What is the Avogadro's number ? What inf...

What is the Avogadro's number ? What information does it provide ?

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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -SHORT ANSWER TYPE QUESTIONS
  1. State the main postulates of Dalton's atomic theory

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  2. Why is the use of relative masses of atoms preferred over their actual...

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  3. What is the Avogadro's number ? What information does it provide ?

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  4. What is the significance of the word average in the definition of atom...

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  5. Why are the atomic masses of most of the elements not whole numbers ?

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  6. What does the chemical formula of an ionic compound represent ?

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  7. How is the mass of an element related to the number of atoms present i...

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  8. Which does have more atoms, 1.0 g of hydrogen or 1.0 g of oxygen ?

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  9. How is the molecular formula of a compound related to its empirical fo...

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  10. What do you understand by a balanced chemical equation ?

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  11. What are the conditions which must be followed by a chemical equation ...

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  12. What do you understand by stoichiometric coefficients ?

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  13. What do you understand by the term semimolar solution ?

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  14. How is mole related to the volume of a gaseous substance ?

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  15. When is the law of constant proportions not obeyed ?

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  16. Calculate the actual mass of a single molecule of benzene.

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  17. What do the following symbols represent in a chemical equation ? (i)...

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  18. Describe the following methods for determination of equivalent weight ...

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  19. Describe the principle involved in the determination of equivalent wei...

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  20. State Faraday's second law of electrolysis. How is the law helpful in ...

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