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Mention Heiscenberg's uncertainly princi...

Mention Heiscenberg's uncertainly principle. Calculate the uncertainty of velocity of an electron which have an uncertainty in position of lA.

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UNITED BOOK HOUSE-Question Papers 2018-EXAMPLE
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  2. Determine the mass percentage composition of water (H=1. o=16).

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  3. Mention Heiscenberg's uncertainly principle. Calculate the uncertainty...

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  4. Explain why CCl4 is not hydrolysed while SiCl4 is hydroglysed

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  5. Why is the aqueos solution of borax alkaline?

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  6. Which reagent is called anmelectrophile in organic reation? write with...

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  8. Mention two causes of soil pollution .

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  9. How does the increase in the amount of CO2 in the atmosphere lead to g...

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  10. Write with an example the condition for two atoms tom be considered as...

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  11. "26Fe^(3+) is more stable than Fe^(2+). Explain why? Which is more par...

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  12. What are the quantum numbers by which an electron in an atom can be de...

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  13. What is the maximum number of quantum number that may be the same for ...

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  14. The outermost electrons configuration of the atom of an elements is 3s...

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  15. Why is the electron gain enthalpy of oxygen is less than that of sulph...

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  16. O2 is paramagnetic, why?

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  17. Write the resonance structure of CO3^(2-) ion.

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  18. Why is boiling point of H2O grater than that of H2S?

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  19. State Gay Lussac's law related to pressure and temperature of a gas. 3...

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  20. Determine the volume of 2*2 g of caabon dioxide at 27^@C and 570 mm Hg...

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