A. Is an exothermic reaction
B. Increases their melting point
C. Is done in presence of nickel catalyst
D. All A , B. and C.
Related Mcqs:
- Hydrogenation of vegetable oils is a/an _______________ reaction ?
A. Endothermic
B. Autocatalytic
C. Exothermic
D. Homogenous - Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?
A. Hydrogenation
B. Oxidation
C. Hydrolysis
D. Hydrocracking - Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ____________________ oil?
A. Drying
B. Semi-drying
C. Non-drying
D. None of these - 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. - Hydrogenation of oil takes place in a/an ____________________ reactor ?
A. Autothermal
B. Trickle bed
C. Plug flow
D. None of these - Hydrogenation of oil does not ___________________?
A. Remove double bonds
B. Raise its melting point
C. Improve its resistance to oxidation
D. None of these - 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 - Catalyst used in the hydrogenation of oil is_________________?
A. Nickel
B. Platinum
C. Iron
D. Alumina - Good quality of edible salt is obtained from brine by the process of__________________?
A. Solar evaporation
B. Vacuum evaporation
C. Freeze drying
D. Electrolysis - Flash point of most vegetable oils is about _______________ °C ?
A. 50
B. 100
C. 200
D. 300
