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The half- life period of overset(125)und...

The half- life period of `overset(125)underset(53) I` is 60 days. What percentage of the original radioactivity would be present after 180 days ?

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SHARAM PUBLICATION-2015 QUESTION PAPER-EXERCISE
  1. What are organometallic compounds? Give two examples.

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  2. Name two Rhodenticides and two antiseptics.

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  3. The half- life period of overset(125)underset(53) I is 60 days. What p...

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  4. What happens when SO2gas is passed through lime water first slowly and...

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  5. The specific conductance of a 0.12N solution of an electrolyte is 2.4x...

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  6. Define Bond energy.

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  7. Represent the cell and calculate the Standard e.m.f. of the cell havin...

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  8. Write the conjugate base - of NH^(+)4 and HCO^(-)3.

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  9. Write the structure formulae of all the isomeric amines with molecular...

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  10. Write the equation for the reaction between CI2 and dil. NaOH solution...

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  11. Discuss with equation the reaction of Cl2 with hot conc. NaOH soluti...

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  12. What is radio artificial radioactivity / Give some examples of artific...

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  13. What is radio artificial radioactivity / Give some examples of artific...

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  14. Explain green house effect.

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  15. Write a note on Common ion effect.

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  16. Describe any three applications of electrolysis.

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  17. Define a Galvanic cell. Give the diagramatic representation of a typic...

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  18. Write short notes on : Le - Chatellier 's principle.

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  19. Write short notes on : activation energy

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  20. Write short notes on : Carbon dating

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