A. Polystyrene
B. Melamine
C. Polystyrene
D. Polyurethane
Related Mcqs:
- Branched chair polymers as compared to linear polymers have _________________?
A. Higher melting point
B. Higher tensile strength
C. Lower density
D. None of these - In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?
A. Densities
B. Melting point
C. Tensile strength
D. Hardness, rigidity & brittleness - Branched chain polymers compared to linear polymers have higher ____________________?
A. Density
B. Tensile strength
C. Melting point
D. Degree of irregularity in atomic packing - Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon - ____________ polymer is used for making unbreakable crockery?
A. Thermoplastic
B. Melamine
C. Addition
D. None of these - Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer ______________ properties?
A. Thermoplastic
B. Thermosetting
C. Elastometric
D. Brittleness - Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
A. Nylon
B. Polyacrylonitrile
C. Polypropylene
D. Polyester - Identify the group in which all the polymers mentioned can be used to make fibres ?
A. Butadiene copolymers, Polyamides, Urea-formaldehyde
B. Cellulose derivatives, Polyisoprene, Polyethylene
C. Cellulose derivatives, Polyamides, Polyurethane
D. Polypropylene, Poly vinyl chloride, Silicon - Maximum consumption of polymers is in___________________?
A. Electrical insulation
B. Toys making
C. Coating and films
D. Packaging - Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?
A. Glycerol
B. Nitro cellulose
C. Camphor
D. None of these