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What is TEL? State one of its harmful ef...

What is TEL? State one of its harmful effects.

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 14 -EXERCISE
  1. Dimond is non conductor of electricity but Graphatite is a conductor o...

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

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

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

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

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

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

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

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

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  10. Which one is more stronger and why between sigma and pi bond? State th...

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  11. What do you mean by partial pressure of gas? State Daltors partial pre...

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  12. What do you mean by surfactant? Give example. WJiat is the magnitude o...

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  13. Write two differences between reversible and irreversible process? Why...

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  14. It the free energy change for a reaction at 25^@C be 5.4 Kj Calculate ...

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  15. Why di1 H2SO4 is more convenient than syrapic H3PO4 for the preparatio...

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  16. How NH3 is recovered in solvey process? State one use of sodium amalgu...

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  17. What do you mean by homolytic and heterolyic fission. Give the IUPAC ...

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  18. Kp//Kc for CO+frac(1)(2)O2=CO2

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  19. What happens.when (Give balanced Chemical eqn) BoricAcid is heated wit...

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  20. What happens.when (Give balanced Chemical eqn)Boran trifluride is trea...

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