Which of the following is a polymer production process that involves forming polymer chain a comprising two different monuments?
A. Cross-linking
B. Blending
C. Copolymerization
D. Alloying
Submitted by :- Muhammad Nawaz
What is the name of class of polymer which is commercially referred as “nylon”?
A. Polyacetals
B. Polyamide
C. Cellulose
D. Polyester
Submitted by :- Muhammad Nawaz
What chemical property of a material which refers to its ability to resist deterioration by chemical or electrochemical reactions with environment?
A. Corrosion resistance
B. Stereo specificity
C. Electrical resistance
D. Conductivity
Submitted by :- Muhammad Nawaz
Some polymetric materials such as epoxies are formed by strong primary chemical bonds known as ____.
A. Covalent bond
B. Cross linking
C. Van der Waals bond
D. Metallic bond
Submitted by :- Muhammad Nawaz
Which of the following is a large molecule with two alternating mers?
A. elastomer
B. copolymer or interpolymer
C. mers
D. monomer
Submitted by :- Muhammad Nawaz
Which term is used to explain a polymer that has rubber like properties?
A. Elastomer
B. Elasticmer
C. Polychloroprene
D. Vulcanizer
Submitted by :- Muhammad Nawaz
Which of the following is the most broadly used dielectric material in the electrical and electronics industry?
A. Rubber
B. Polymer
C. Plastic
D. All of these
Submitted by :- Muhammad Nawaz
which of the following is called black gold?
A. Coal
B. Coal Tar
C. Petroleum
D. Natural gas
Submitted by :- Muhammad Nawaz
Incomplete oxidation of methane in the limited supply of air forms ?
A. CO2 and H2O
B. CH3OH
C. CO + H2 + C
D. CO + H2O + C
Submitted by :- Jamil Ahmed
Upto ___________________ C atoms alkanes are gases?
A. 2
B. 3
C. 4
D. 6
Submitted by :- Jamil Ahmed