Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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  1. Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
  2. In the manufacture of viscose rayon, the raw material used industrially is
  3. Rotary kiln is not involved in the production of
  4. Saponification number of an oil or fat
  5. Multistage catalytic converter is not used in the
  6. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
  7. The biochemical treatment applied to sewage effluents is a process of
  8. Higher viscosity index of a lubricating oil denotes
  9. Pasteurisation of milk means
  10. Dry ice (solidified CO2) is used for the
  11. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
  12. Fats as compared to oils have
  13. Addition of calcium oxide to water produces
  14. __________ is the major constituent of the Portland cement.
  15. Pick out the wrong statement.
  16. At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional…
  17. Sodium chloride content in sea water is about __________ gms/litre.
  18. Glauber's salt is chemically
  19. Maleic anhydride is produced by catalytic oxidation of
  20. DDT stands for
  21. Which of the following is the main constituent of the mother liquor produced in salt industry?
  22. Thermoplastic materials
  23. Permanent hardness of water can be removed by
  24. Inversion of sucrose produces
  25. Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
  26. Use of water having dissolved oxygen in boilers promotes
  27. Cooking liquor in case of sulphite process is
  28. Riboflavin is a/an
  29. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell…
  30. Pick out the wrong statement.