A. Emulsification
B. Dispersion
C. Precipitation
D. Wetting
Related Mcqs:
- Soaps remove dirt by ____________________?
A. Increasing the surface tension
B. Decreasing wettability
C. Supplying hydrophilic group
D. None of these - The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an ______________ detergent ?
A. Cationic
B. Anionic
C. Amphoteric
D. Semi polar - Shaving soaps are____________________?
A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a
lasting property
B. Metallic soaps compounded with frothing agents
C. High free alkali soaps having excess of cane sugar and alcohol
D. None of these - Transparent soaps (e.g. Pears) are____________________?
A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and
finally washed with methylated spirit to achieve transparency
B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency
C. Metallic soaps with frothing agent from which glycerine has not been recovered
D. None of these - Hydrophilic group of a soap or detergent solution is____________________?
A. Water hating
B. Soil loving
C. Water loving
D. None of these - Which of the following is a detergent ?
A. Benzene hexachloride
B. Alkyl benzene sulphonate
C. Polytetrafluoroethylene
D. Cellulose nitrate - Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?
A. Endothermic
B. Exothermic
C. Irreversible
D. Both B. and C. - Which of the following is a detergent ?
A. Fatty alcohol
B. Alkyl benzene sulphonate (ABS)
C. Fatty acids
D. Methylene chloride - Drinking (potable) water treatment does not involve __________________?
A. Coagulation
B. Sedimentation
C. Softening
D. Disinfection - Hydrazine is used in water treatment for the removal of___________________?
A. Colloidal impurities
B. Dissolved oxygen
C. Turbidity
D. Chlorinous taste
