A. Polythene
B. PVC
C. Polypropylene
D. Polyesters
Related Mcqs:
- Flexible foam (for mattresses) are usually made of _________________?
A. PVC
B. Silicone rubber
C. Polyurethanes
D. Polyamides - Hot drink (e.g., tea) cups are usually made of _____________________?
A. Polystyrene
B. Polythene
C. Polypropylene
D. PVC - Catalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?
A. Aluminium triethyl activated with TiCl4
B. Platinum
C. Molybdenum
D. Nickel - Thermal pyrolysis of ethylene dichloride produces ____________________?
A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxide - Thermosetting resins/polymers as compared to thermoplastic ones are ____________________?
A. Soluble in all organic solvents
B. More brittle
C. Formed by addition polymerisation only
D. Easily reshaped & reused - Nylon-66 is manufactured from ____________________?
A. Adipic acid and Hexamethylene diamine
B. Caprolactam
C. Maleic anhydride and Hexamethylene diamine
D. Dimethyl terephthalate (DMT) and ethylene glycol - The only natural thermoplastic resin, which is a product of animal life is ____________________?
A. Rosin
B. Shellac
C. Amber
D. Copal - Polyvinyl chloride (PVC) ____________________?
A. Is produced by Polycondensation reaction
B. Uses either emulsion or suspension polymerisation methods
C. Can be made thermosetting by adding a plasticiser
D. Softening temperature is 200°C - Branched chain polymers compared to linear polymers have higher ____________________?
A. Density
B. Tensile strength
C. Melting point
D. Degree of irregularity in atomic packing - Polypropylene is preferred to polythene, because the former is ____________________?
A. Non-inflammable
B. Harder
C. Stronger
D. Both B. & C.
