21. Oil produced by solvent extraction
22. Conversion of SO2 to SO3 in Monsanto-4 pass converter is about __________ percent.
23. L.D. converter is used in the production of
24. 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.
25. Setting of plaster of paris is accompanied with
26. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
27. Hydrazine is used in water treatment for the removal of
28. Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.
29. Chloramines are used in water treatment for
30. Pick out the endothermic reaction out of the following.
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