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Write the number of molecules present in...

Write the number of molecules present in one millions of `SO_2`

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UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
  1. Which of the following matallic air pollutants is present in the gas e...

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  2. Between 100 ml CO2 and 100 ml NH3. which one has greater mass at const...

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  3. Write the number of molecules present in one millions of SO2

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  4. What will be the order of Ma, Mg, Al and Si in terms of first ionizat...

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  5. Arrange the following ions in ascending order of their ionic radic Na^...

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  6. Write th e name and the structural formula of the product obtained wh...

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  7. Identify the compounds A in the following reaction : < br> CH3 - C eq...

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  8. How many moles of H2SO4 will be present as a residue when 3.0115xx 10^...

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

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  10. What happens when borax is heated strongly?

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  11. Why are the dihalides of carbon unstable but the dihalides of tin and ...

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  12. Why is the aqueos solution of borax alkaline?

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  13. Why can CH3CN behave both as nucleophile and electrophile?

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  14. Write donw the IUPAC name of the folloiwng compound: CH3COCH2 unders...

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  15. Write down the structural formula of the following compound Hex-I-ene-...

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  16. Arrange the followig radicals in increasing order of -I effect. 1,Br,C...

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  17. Write the structural formula of the following compound 5-amino pent-3-...

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  18. State the Pauli exclusion principle. write the electronic configuraito...

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

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  20. Arrange the following metal oxides in terms of ascending order of basi...

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