Buna-N is also called__________________?
Buna-N is also called__________________?
A. Butyl rubber
B. Nitrile rubber
C. Neoprene
D. Thiokol
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The inter particle forces between linear chains in nylon-66 are ______________ bonds?
The inter particle forces between linear chains in nylon-66 are ______________ bonds?A. Hydrogen
B. Covalent
C. Ionic
D. None of theseNeoprene is chemically known as _________________?
Neoprene is chemically known as _________________?A. Polybutadiene
B. Styrene butadiene rubber (SBR)
C. Polyurethane
D. Poly chloropreneAlkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?
Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?A. For surface coating of automobiles & air crafts
B. For fibre making
C. As plasticiser for PVC & nitrocellulose
D. For film forming materialsCation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from ______________ resins?
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from ______________ resins?A. Epoxy
B. Phenol formaldehyde
C. Urea formaldehyde
D. Melamine formaldehydeCellulose is the main constituent of most ______________ fibres?
Cellulose is the main constituent of most ______________ fibres?A. Acrylic
B. Spandex
C. Synthetic
D. Natural_____________ is a homopolymer?
_____________ is a homopolymer?A. Neoprene
B. Bakelite
C. Nylon-66
D. Terylene