- (A) Nucleic acids e.g. RNA and DNA
- (B) Polysaccharides
- (C) Polyisoprene
- (D) Polyurethane
Chemical Engineering Mcqs
- (A) Wool
- (B) Silk
- (C) Cotton
- (D) None of these
- (A) Deforms, if stretched to double of its original dimension
- (B) Is brittle at low temperature
- (C) Is softer at higher temperature
- (D) Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
- (A) Cellulose
- (B) Dacron
- (C) Nylon-6
- (D) None of these
- (A) Softness
- (B) Oxidation resistance
- (C) Weight & strength
- (D) Elasticity & water solubility
- (A) Soluble in all organic solvents
- (B) More brittle
- (C) Formed by addition polymerisation only
- (D) Easily reshaped & reused
- (A) Perspex
- (B) Lucite
- (C) Plexiglass
- (D) Teflon
- (A) Viscose rayon
- (B) Acrylic
- (C) Polyvinyl acetate
- (D) Saturated polyester
- (A) Electrical insulation purpose
- (B) Tanning of leather
- (C) Strengthening of plaster of Paris
- (D) Decorative laminates
- (A) Trichloroethylene
- (B) Vinyl chloride
- (C) Ethanol amine
- (D) Ethylene oxide
