A. Phenol formaldehyde
B. An inorganic polymer
C. Polytetrafluroethylene (PTFE)
D. A monomer
A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere
B. Reduce its viscosity to permit easier processing
C. Reduce the time of vulcanisation and quantity of vulcanising agent
D. Increase its viscosity
A. Addition polymer
B. Poly amide
C. Homopolymer
D. None of these
A. Organic peroxides
B. Sulphuric acid
C. Hydrofluoric acid
D. None of these
A. Soluble in all organic solvents
B. More brittle
C. Formed by addition polymerisation only
D. Easily reshaped & reused
A. 10 to 103
B. 102-107
C. 107-109
D. 109-1011
A. Hexamethylene diamine and adipic acid
B. Adipic acid and methyl amine
C. Vinyl chloride and formaldehyde
D. None of these