A. Storage under improper conditions
B. Absence of unsaturation
C. Its smaller molecular weight
D. None of these
Related Mcqs:
- Saponification value/number of an oil or fat is a measure of its ___________________?
A. Fatty acid content
B. Degree of unsaturation of the fatty acids present in it
C. Average molecular weight
D. Insoluble fatty acid content - Pick out the wrong statement. Iodine value of an oil or fat is________________?
A. The number of grams of iodine taken up by 100 gm of oil or fat
B. A measure of its unsaturation
C. Helpful in findings its adulteration & its suitability for making soap
D. Independent of the type of oil, whether it is drying or non-drying - 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 - An oil is converted into fat by its___________________?
A. Hydrogenation
B. Hydrolysis
C. Hydrocracking
D. Hydration - 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 - The difference between saponification value and acid value is____________________?
A. Called ester value
B. Always negative
C. Constant for all fatty oils
D. None of these - ________________ acid is the main constituent of cotton seed oil ?
A. Acetic
B. Linoleic
C. Palmitic
D. Oleic - ________________ acid is an unsaturated fatty acid ?
A. Palmitic
B. Oleic
C. Stearic
D. Oxalic - An alkali metal salt of Palmitic acid is known as _____________________?
A. Soap
B. Metallic soap
C. Detergent
D. Alkaloid - Fat dispersed in water is exemplified by__________________?
A. Colloids
B. Gel
C. Butter
D. Emulsion