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Distinguish between classical and photoc...

Distinguish between classical and photochemical smogs.

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OMEGA PUBLICATION-SAMPLE QUESTION PAPER -v (PUNJAB)-QUESTION
  1. Explain why: Al utensils should not be kept in water over night.

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  2. Explain why Al wire is used to make transmission cables.

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  3. Distinguish between classical and photochemical smogs.

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  4. Define disproportionisation and simple displacement redox reactions.

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  5. Which out of NH(3) and NF(3) have higher dipole moment and why?

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  6. C Cl4 is not hydrolysed but SiCl4 can be hydrolysed with water. Why ?

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  7. Derive van der Waals’ equation of State for n moles of gas.'

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  8. Calculate the kinetic energy of 0.2 g of H2 at 27^@C.

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  9. Calculate enthalpy of the reaction : 4NH3(g) +3O2(g) rarr 2N2(g)+ 6H2O...

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  10. State and explain Le chatelier's Principle. What are its applications.

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  11. BF3 acts as a Lewis acid. Why ?

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  12. Can you prepare a solution having pH more than 14 ?

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  13. Write IUPAC name of the following compounds C(6)H(5)-CH = CH-CH(2)C...

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  14. Write IUPAC name of the following compounds CH(3)-CH = CH-C = CH

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  15. Out of the following plants which are known as herbs- Mango tree, Basi...

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  16. Why tirtary carbocations are more stable than, secondary and primary c...

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  17. Give the chemistry of Solvay process for the manufacture of Na(2)CO(3)...

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  18. Group 2 elements are denser and harder than group 1 elements. Why ?

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  19. What is isotopic effect?

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  20. How does H(2)O(2) reacts with : ( a) PbS (b) Acidified FeS0(4)

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