Montecatini process is used for the manufacture of____________________?

Related Mcqs:

1. Montecatini process is a widely used process for the manufacture of ___________________?

   A. Urea
   B. Calcium ammonium nitrate
   C. Triple superphosphate
   D. None of these

2. Electric process as compared to wet process (for the manufacture of phosphoric acid) ?

   A. Can use only high grade phosphate rock
   B. Is used less frequently
   C. Produces a valuable by-product called gypsum
   D. Is weak acid process

3. Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?

   A. Chloride
   B. Sulphate
   C. Nitrate
   D. None of these

4. Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?

   A. Nickel
   B. Iron
   C. Vanadium pentoxide
   D. Alumina

5. Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?

   A. Isopropyl alcohol
   B. Butyl alcohol
   C. Toluene
   D. Hexane

6. In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process___________________?

   A. Uses lower grade phosphate rock
   B. Requires lower capital investment in the plant
   C. Produces lower purity acid
   D. Is very costly

7. Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?

   A. Comparatively higher pressure drop
   B. High cost of the high pressure vessel used for the reactor
   C. Higher pumping cost
   D. Chances of entrainment and disturbance of catalyst bed

8. Raw materials for nitric acid manufacture are___________________?

   A. Hydrogen peroxide, air and water
   B. Anhydrous ammonia and air
   C. Anhydrous ammonia, air and water
   D. Wet ammonia, air and water

9. An increase in the NH3/CO2 ratio in urea manufacture results in__________________?

   A. Increased degree of conversion of CO2 to urea
   B. Decreased degree of conversion of NH3 to urea
   C. Decreased yield of urea
   D. Decreased specific volume of molten mass

10. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?

    A. Stabilisation
    B. Increasing the effectiveness
    C. Improving the strength & heat resistance
    D. All A, B & C