Buna-N is also called__________________?
Buna-N is also called__________________?
		A. Butyl rubber
B. Nitrile rubber
C. Neoprene
D. Thiokol
		A. Butyl rubber
B. Nitrile rubber
C. Neoprene
D. Thiokol
		A. Hydrogen
B. Covalent
C. Ionic
D. None of these
		A. Polybutadiene
B. Styrene butadiene rubber (SBR)
C. Polyurethane
D. Poly chloroprene
		A. For surface coating of automobiles & air crafts
B. For fibre making
C. As plasticiser for PVC & nitrocellulose
D. For film forming materials
		A. Epoxy
B. Phenol formaldehyde
C. Urea formaldehyde
D. Melamine formaldehyde
		A. Acrylic
B. Spandex
C. Synthetic
D. Natural
		A. Neoprene
B. Bakelite
C. Nylon-66
D. Terylene