A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resins
D. All A, B. and C.
Related Mcqs:
- Plasticisers are added to paints to______________________?
A. Make it corrosion resistant
B. Make glossy surface
C. Give elasticity & prevent cracking of the film
D. Increase atmospheric oxidation - Rosin soap is added during paper manufacture to____________________?
A. Impart adhesive properties
B. Improve opacity
C. Impart resistance to penetration by liquids
D. None of these - Molecular weight of plastics ranges from ______________________?
A. 5000 to 10000
B. 20000 to 250000
C. 500 to 5000
D. 106 to 109 - Which is the most suitable dye for synthetic fibres ?
A. Acid dye
B. Azoic dye
C. Pigment dye
D. Mordant dye - Presence of sodium tripolyphosphate (an additive) in synthetic detergent___________________?
A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B. Inhibits its corrosive effects
C. Does not allow redeposition of dirt on the cleaned surface
D. None of these - Synthetic glycerine is produced from___________________?
A. Toluene
B. Phenol
C. Propylene
D. Naphthalene - The purpose of tanning in leather industry is to____________________?
A. Stiffen the leather
B. Smoothen the leather
C. Make it flexible
D. Impart water resistance - Builders are added in soap to act as___________________?
A. Cleaning power booster
B. Anti-redeposition agent
C. Corrosion inhibitor
D. Fabric brightener - 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 - Carboxymethyl cellulose (CMC) is added in detergents to act as a/an___________________?
A. Surfactant
B. Builder
C. Optical brightening agent
D. Anti soil redeposition agent
