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Explain why high pressure is required in...

Explain why high pressure is required in" the manufacture of sulphur trioxide by contact process.
State the law or principle used.

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ICSE-ISC QUESTION PAPER-PART-II(SECTION-A)
  1. Explain why high pressure is required in" the manufacture of sulphur t...

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  2. Calculate the equilibrium constant (K) for the formation of NH^ in the...

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  3. Explain the following: Hydrolysis of ester (ethyl acetate) begins slo...

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  4. Assertion : The pH of an aqueous solution of acetic acid remains uncha...

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  5. Determine the freezing point of a solution containing 0.625 g of gluco...

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  6. A 0.15 M aqueous solution of KCl exerts an osmotic pressure of 6.8 atm...

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  7. A solution containing 8.44 g of sucrose in 100 g of water has a vapour...

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  8. When ammonium chloride and ammonium hydroxide are added to a solution ...

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  9. A solution of potassium chloride has no effect on litmus whereas, a so...

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  10. How many sodium ions and chloride ions are present in a unit cell of s...

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  11. Lead sulphide has face centred cubic crystal structure. If the edge le...

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  12. The following electrochemical cell is set up at 298 K: Zn//Zn^(2+) (...

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  13. (ii) Answer the following: (1) What is the effect of temperature on...

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  14. Frenkel defect does not change the density of the ionic crystal where...

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  15. Name the law or principle to which the following observations conform ...

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  16. What is the difference between the order of a reaction and its molecul...

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  17. Explain why high pressure is required in" the manufacture of sulphur t...

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  18. Calculate the equilibrium constant (K) for the formation of NH^ in the...

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  19. Explain the following: Hydrolysis of ester (ethyl acetate) begins slo...

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  20. Assertion : The pH of an aqueous solution of acetic acid remains uncha...

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    |