Buna-S is a _______________ material?
Buna-S is a _______________ material?
A. Fibrous
B. Plastic
C. Resinous
D. Rubbery
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The only natural thermoplastic resin, which is a product of animal life is ____________________?
The only natural thermoplastic resin, which is a product of animal life is ____________________?A. Rosin
B. Shellac
C. Amber
D. CopalThermoplastic resins usually____________________?
Thermoplastic resins usually____________________?A. Remain hard as long as they are hot
B. Cannot be reclaimed from waste
C. Permanent setting resins
D. Less brittle than thermosetting resinsRexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten_______________?
Rexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten_______________?A. Teflon
B. Bakelite
C. SBR
D. PVCThe monomer of poly vinyl chloride (PVC) is__________________?
The monomer of poly vinyl chloride (PVC) is__________________?A. Chloroethane
B. Ethylene dichloride
C. Ethyl chloride
D. Chloroformβ – glucose is the monomer of__________________?
β – glucose is the monomer of__________________?A. Cellulose
B. Starch
C. Protein
D. None of thesePolythene is a/an________________?
Polythene is a/an________________?A. Addition polymerisation product
B. Condensation polymerisation product
C. Thermosetting material
D. None of these