Polystyrene is a ____________ plastic at room temperature?
Polystyrene is a ____________ plastic at room temperature?
A. Ductile
B. Brittle
C. Malleable
D. None of these
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Neoprene is rendered non-inflammable, because of_____________________?
Neoprene is rendered non-inflammable, because of_____________________?A. Its cross-linked structure
B. Its linear chain structure
C. The presence of chlorine atoms in its monomer
D. The absence of chlorine atoms in its monomerIon exchange resins are made of
Question: Ion exchange resins are made of
[A].lucite [B].
sulphonated bakelite [C].
polystyrene [D].
teflon Answer: Option B
Explanation:
No answer description available for this question.
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?A. Rigid foam
B. Engineering plastic
C. Thermosetting polymer
D. Spongy rubberWhich of the following is not a thermoplastic material ?
Which of the following is not a thermoplastic material ?A. Epoxy polymer
B. PVC
C. Polystyrene
D. PolytheneFlexible foam (for mattresses) are usually made of _________________?
Flexible foam (for mattresses) are usually made of _________________?A. PVC
B. Silicone rubber
C. Polyurethanes
D. PolyamidesPolyhexamethylene adipamide is also known as______________?
Polyhexamethylene adipamide is also known as______________?A. Bakelite
B. Nylon-66
C. Epoxy resin
D. Silicone rubber