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Which one damages ozonosphere...

Which one damages ozonosphere

A

Chlorfluro methane

B

`CO_2`

C

`NO_2`

D

`SO_2`

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 14 -EXERCISE
  1. H2SO4 is used for nitration of Benzene for

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  2. The main product formed when CH3CH2CH BrCH3 is treated with alcholic K...

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  3. Which one damages ozonosphere

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  4. State Dulong-Petits rule.

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  5. Name the most electronegetive element?

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  6. What do you mean by extensive property of system?

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  7. Write the definition of entropy.

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  8. State Huckells-rule for aromaticity.

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  9. How much quantity of water will be produced when electric spark is mad...

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  10. Weight of 0.1 mole of X2Y is 4.4 gm and 0.05 mole of XY2 is 2.3 gm. fi...

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  11. Give the difference between orbit and orbital.

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  12. Dimond is non conductor of electricity but Graphatite is a conductor o...

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  13. What happen when boran is strongly heated with Concentrated nitric aci...

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  14. What is TEL? State one of its harmful effects.

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  15. Show from Hiickell rule of aromaticity that cyclo propenye cation is a...

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  16. Explain that Fe^3+ is more stable than Fe^2+. State Atifbau principle....

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  17. How many orbitals are possible for n = 3, State the notations used for...

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  18. Why is the Electron affinity of Be and Mg endothermic in nature?

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  19. State three Characteristics of 'd' block element.

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  20. Write the Lewis dot structures for the following compounds: NaCN, N2O,...

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