A. Light & heavy leather respectively
B. Heavy & light leather respectively
C. Both light & heavy leather
D. Neither light nor heavy leather
Related Mcqs:
- 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 - Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?
A. Hydrogenation
B. Oxidation
C. Hydrolysis
D. Hydrocracking - The purpose of tanning in leather industry is to____________________?
A. Stiffen the leather
B. Smoothen the leather
C. Make it flexible
D. Impart water resistance - The basic constituent of vegetable oils is ___________________?
A. Triglyceride
B. Fatty acids
C. Fatty alcohol
D. Mono esters - 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. - Which one of the following is not likely to be a constituent of vegetable oils ?
A. Citric acid
B. Oleic acid
C. Stearic acid
D. Glycerol - The basic difference between vegetable oils and fats is in their ___________________?
A. Density
B. Chemical properties
C. Physical state
D. Composition - Hydrogenation of vegetable oils is a/an _______________ reaction ?
A. Endothermic
B. Autocatalytic
C. Exothermic
D. Homogenous - Flash point of most vegetable oils is about _______________ °C ?
A. 50
B. 100
C. 200
D. 300 - Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?
A. 20 – 30
B. < – 5
C. 100 – 150
D. 250 – 300
