A. Hardeners
B. Anti-shrinkage agents
C. Plasticisers
D. Transparency improver
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 - Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?
A. Ethylene glycol
B. Stearic acid estors
C. Tricresyl phosphate
D. Esters of phthalic acid - In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for _______________ fibres?
A. Polythene
B. PVC
C. Rayon
D. Polyvinyl acetate - Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?
A. Starch
B. Cellulose
C. Proteins
D. Nucleic acids - Maximum consumption of polymers is in___________________?
A. Electrical insulation
B. Toys making
C. Coating and films
D. Packaging - Unbreakable crockeries are made from ______________ polymers?
A. Polystyrene
B. Melamine
C. Polystyrene
D. Polyurethane - Linear polymers are normally_________________?
A. Thermosetting
B. Thermoplastic
C. Elastometric
D. Having extremely high softening point
