Multiple Choice Questions (MCQ) on Plastic

MCQ on General Science

Multiple Choice Questions (MCQ) on Plastic

1- Which polymerization method is suitable for Polyacrylonitrile?         

(A). Anionic polymerization         

(B). Coordination polymerization         

(C). Cationic polymerization         

(D). Free radical polymerization         

 

2- The functionality of acetylene is         

(A). 1         

(B). 2         

(C). 3         

(D). 4         

 

3- Reference material used in NMR is         

(A). Tetramethylsilane         

(B). Dimethylsilane         

(C). Trimethylsilane         

(D). Triichloromethylsilane         

 

4- The polymer which is used in space suits is         

(A). Polyphenyleneoxide         

(B). Polycarbonate         

(C). Torlon         

(D). Nomex         

 

5- The polymer that is used for water purification         

(A). Polyacrylamide         

(B). Polysulphone         

(C). Polyethylene oxide         

(D). Polyester         

 

6- Which among the following is not a photo-conducting polymer?         

(A). Poly N-vinyl carbazole         

(B). Polythiophene         

(C). Polyvinylpyrene         

(D). Poly 2- vinyl carbazole         

 

7- Which polymerization technique often results in low molecular weight polymer?         

(A). Bulk polymerization         

(B). Emulsion polymerization         

(C). Suspension polymerization         

(D). Solution polymerization         

 

8- Which of the following bonds possess the highest bond energy?         

(A). C-C         

(B). B-O         

(C). SI-O         

(D). SI-N         

 

9- Ionic polymers are used for heterogeneous catalysis because of their __________ property         

(A). Ionic cross-linking         

(B). Ion-exchange capability         

(C). Hydrophilicity         

(D). All of these         

 

10- Natural rubber is chemically known as         

(A). Cis-1,4 polyisoprene         

(B). Trans-1,4 polyisoprene         

(C). Cis-1,3 polyisoprene         

(D). Trans-1,3 polyisoprene         

 

ANSWERS:

1-(A), 2-(D), 3-(A), 4-(D), 5-(A), 6-(B), 7-(D), 8-(B),9-(B), 10-(A)