Alkyd resin cannot be used for making_________________?

A. Plasticiser
B. Paint & varnish
C. Fibers
D. Film forming materials

Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?

A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon

Vulcanisation of raw rubber makes it__________________?

A. Soft
B. Less elastic
C. Plastic
D. Tacky

Which of the following is not a polyolefin ?

A. Polystyrene
B. Polypropylene
C. Neoprene
D. None of these

Contact lenses for eyes are made of Perspex, which is nothing but_______________?

A. poly-methyl-methacrylate
B. Polystyrene
C. Unsaturated polyester
D. Polypropylene

Most of the plastics are safe to be used upto a maximum temperature of ______________ °C?

A. 100
B. 150
C. 350
D. 450

Bristles of tooth brushes are made of_______________?

A. Nylon-6
B. Nylon-66
C. Polystyrene
D. PVC

Ion exchange resins are made of____________________?

A. Lucite
B. Sulphonated Bakelite
C. Polystyrene
D. Teflon

Alkyd resin is a/an___________________?

A. Polyamide
B. Polyester
C. Polyolefin
D. Addition polymer

The physical state in which polymers exist is___________________?

A. Melts & rubber like state
B. Amorphous glassy state
C. Partially crystalline state
D. All A., B. and C.