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
Related Mcqs:
- Metallic soap is ________________ salt of fatty acids ?
A. Sodium
B. Potassium
C. Both sodium & potassium
D. Aluminium or calcium - 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 - Which of the following is used as a binding material in soap to improve soap texture ?
A. Rosin
B. Borax
C. Benzyl acetate
D. Sodium carbonate - Fatty material used in soap making is _______________________?
A. Fatty acid
B. Fatty alcohols
C. Tallow
D. Detergents - Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
A. Hard
B. Soft
C. Metallic
D. Lubricating - The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?
A. Electrolysis
B. Electrolytic reduction
C. Electrolytic oxidation
D. None of these - Coloured glass is obtained by mixing of colored salts. Addition of ___________________ oxide is done to impart greenish blue color to the glass?
A. Chromium
B. Arsenic
C. Copper
D. Manganese - Builders are added in soap to act as___________________?
A. Cleaning power booster
B. Anti-redeposition agent
C. Corrosion inhibitor
D. Fabric brightener - Pick out the wrong statement pertaining to the soap manufacture?
A. Transparent soaps are made by cold process
B. Organic pigments are used as colouring materials in the soap manufacture
C. Both laundry as well as toilet soaps are manufactured by hot process
D. Colourless rosin is used in the manufacture of laundry soaps - Free alkali in a toilet soap is _______________ that in a laundry shop ?
A. Less than
B. More than
C. Same
D. None of these
