A. Surfactant
B. Builder
C. Optical brightening agent
D. Anti soil redeposition agent
Related Mcqs:
- Carboxymethyl cellulose (CMC) is added in detergents to_________________?
A. Prevent redeposition of soil on cleaned surface
B. Act as optical brightening agent
C. Inhibit corrosion in washing machines made of aluminium
D. None of these - Fluorescent dyes are added in detergents to__________________?
A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the
whiteness appearance of white fabrics
B. Attain distinctiveness from other brands
C. Act as tarnish inhibitor for metals like German silver
D. None of these - Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc ?
A. Sodium silicate
B. Sodium borate
C. Sodium tripolyphosphate (STPP)
D. Caustic soda - Zeolite is a/an___________________?
A. Naturally occuring clay which is capable of exchanging cations
B. Abrasive material
C. Catalyst used in shift conversion
D. None of these - Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?
A. 10
B. 50
C. 80
D. 95 - Cellulose percentage in bamboo fibre is about_________________?
A. 10
B. 20
C. 50
D. 85 - Paper grade bamboo contains about _______________ percent cellulose ?
A. 5
B. 20
C. 40
D. 60 - Bio-degradable detergents ___________________?
A. Can be readily oxidised
B. Pose problem in sewerage plant
C. Have an isoparaffinic structure
D. Should not be used as it spoils the cloth - Builders are added in soap to act as___________________?
A. Cleaning power booster
B. Anti-redeposition agent
C. Corrosion inhibitor
D. Fabric brightener - High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B.
