A. Cl2CH-CH3
B. F2 C = CF2
C. F3 C-CF3
D. FClC = CF2
Related Mcqs:
- In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
A. PTFE
B. Buna-S
C. PMMA
D. Polycaprolactam - Poly-tetra-fluoro ethylene (PTFE) is known as_________________?
A. Dacron
B. Teflon
C. Bakelite
D. Celluloid - In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer ?
A. Bakelite (phenol formaldehyde)
B. Polyester
C. Polythene
D. Nylon-6 - 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 - Which of the following types of polymers has the strongest inter particle forces ?
A. Elastomers
B. Fibres
C. Thermoplastics
D. Thermosetting polymers - Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are____________________?
A. 50°C and 3 – 4 kg/cm2
B. 50°C and 1 kgf/cm2
C. 250°C and 10 kgf/cm2
D. 250°C and 1 kgf/cm2 - The monomer of poly vinyl chloride (PVC) is__________________?
A. Chloroethane
B. Ethylene dichloride
C. Ethyl chloride
D. Chloroform - Paper like thin plastic articles can be produced by_________________?
A. Blow moulding
B. Vacuum thermo forming
C. Injection moulding
D. None of these - Properties of a polymer is affected by the____________________?
A. Chain length
B. Intermolecular forces
C. Both A. and B.
D. None of these - Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but____________________?
A. Polyacrylonitrile
B. Polyamide
C. Saturated polyester
D. Alkyd resin
Mcq Added by: admin
