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What is the difference between the empir...

What is the difference between the empirical formula and molecular formula of a compound ?

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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -VERY SHORT ANSWER TYPE QUESTIONS
  1. How many Ca^(2+) and Cl^(-) ions are present in one mole of CaCl2?

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  2. Is the following equation balanced ? C(2)H(5)OH + 2O(2) to 2CO(2) + ...

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  3. Define the term molarity.

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  4. What is the value of Avogadro's Number ?

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  5. What is the difference between the empirical formula and molecular for...

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  6. Why are atomic masses regarded as relative masses?

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  7. During the formation of HCI from H2 and Cl2, two moles of hydrogen and...

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  8. Is the law of conservation of mass valid for nuclear reactions ?

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  9. State : Avogadro's law

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  10. How much would one amu weigh in grams ?

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  11. Can an element have variable equivalent masses ?

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  12. Can a less electropositive metal displace more electropositive metal f...

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  13. What do you understand by a double decomposition reaction?

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  14. What is meant by electrochemical equivalent of a substance?

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  15. How would you calculate the equivalent mass of a salt ?

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  16. Define gram equivalent mass.

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  17. Why is molality of a solution independent of temperature ?

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  18. Define the terms: (i) Molarity (ii) Molality (iii) Normality (iv) Mo...

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  19. What is a limiting reagent and what is its significance in stoichiomet...

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  20. What are the limitations of a chemical equation ?

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