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Why syrapic H3PO4 is better Catalyst tha...

Why syrapic `H_3PO_4` is better Catalyst than `H_2SO_4` for the dissociation of `2H_2O_2 f 2_H_2O + O_2` What is Marshall acid?

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 9-EXERCISE
  1. State two drawback of Bohr theory. In which case Bohr theory is applic...

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  2. State the general electronic configuration of ’d' block element, state...

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  3. What do you mean by inner transition metal? What do you mean by lanthe...

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  4. Draw the Lewis dot structure of HCN,SO3,NH4

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  5. Calculate the surface tension of water when water rises a height of 14...

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  6. Find the partial pressure of N2 in a mixture of 3 mole N2 and 4 mole H...

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  7. What is Boyle's temperature.

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  8. DeltaH^@ & DeltaS^@ for the reaction H2 (g) + I2 (g) = 2 HI (g) are 16...

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  9. What do you mean by enthalpy? Show that DeltaH= DeltaU + Delta nRT.

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  10. Balance the equation by ion-electron method : Zn+ NaNO(3) + NaOH to...

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  11. Calculate the equivalent weight of Na2 S2O3 for the reaction. 2S2O3^(2...

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  12. Why syrapic H3PO4 is better Catalyst than H2SO4 for the dissociation o...

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  13. Be does not respond to flame test but Ba does explain. Which alkali me...

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  14. CH3 CH2 C(CH3)2 - CH2 -CH3 , how many 1^@. 2^@ & 3^@ Carbon atom prese...

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  15. Heat of reaction at constant pressure and volume is 3RT. Find the rela...

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  16. Discuss the activity of acidic buffer. Calulate the pH of the solution...

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  17. Explain why melting and boiling point point of Boron is too high. Stal...

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  18. Identify A, B, C & D.

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  19. What is hindler Catalyst?

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  20. What is step up reaction? Give example. How woruld you separate Benzen...

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