Catalyst used in the hydrogenation of oil is_________________?

Related Mcqs:

1. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in______________________?

   A. Pyrolysis of oil
   B. Sintering of porous catalyst
   C. Hydrogen embrittlement
   D. All A, B. and C.

2. Hydrogenation of oil takes place in a/an ____________________ reactor ?

   A. Autothermal
   B. Trickle bed
   C. Plug flow
   D. None of these

3. Hydrogenation of oil does not ___________________?

   A. Remove double bonds
   B. Raise its melting point
   C. Improve its resistance to oxidation
   D. None of these

4. Hydrogenation of oil/fat does not_________________?

   A. Improve its resistance to rancid oxidation
   B. Raise its melting point
   C. Remove double bonds
   D. None of these

5. Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________________?

   A. Poor oxidation stability and high gum forming tendency
   B. Greater tendency of decomposition at elevated temperature
   C. Hydrolysis tendency in presence of water
   D. All A, B. and C

6. Hydrogenation of edible vegetable oils_________________?

   A. Is an exothermic reaction
   B. Increases their melting point
   C. Is done in presence of nickel catalyst
   D. All A , B. and C.

7. Hydrogenation of vegetable oils is a/an _______________ reaction ?

   A. Endothermic
   B. Autocatalytic
   C. Exothermic
   D. Homogenous

8. Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?

   A. V2O5
   B. Pt
   C. Ni
   D. Cr

9. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?

   A. NH3
   B. NaCl
   C. CaO
   D. Coke

10. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?

    A. Alumina
    B. Silica gel
    C. Platinum
    D. Nickel