A. Palmitic
B. Oleic
C. Stearic
D. Oxalic
Related Mcqs:
- Which of the following is an unsaturated fatty acid ?
A. Lauric acid
B. Palmitic acid
C. Stearic acid
D. Oleic acid - 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 - Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
A. Hard
B. Soft
C. Metallic
D. Lubricating - Metallic soap is ________________ salt of fatty acids ?
A. Sodium
B. Potassium
C. Both sodium & potassium
D. Aluminium or calcium - Unsaturated oils compared to saturated oils have___________________?
A. Lower melting point & higher reactivity to oxygen
B. Higher melting point & higher reactivity to oxygen
C. Lower melting point & lower reactivity to oxygen
D. Higher melting point & lower reactivity to oxygen - Rancidity of the fatty oil can be reduced by its__________________?
A. Decoloration
B. Hydrogenation
C. Oxidation
D. Purification - Fatty material used in soap making is _______________________?
A. Fatty acid
B. Fatty alcohols
C. Tallow
D. Detergents - Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?
A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column - 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 - Reaction of an alcohol with organic acid is called the ________________ reaction?
A. Saponification
B. Esterification
C. Neutralisation
D. Acidification
