Polymers and Plastic Tnpsc Online Quiz Question, Group 1 2 2a 4, VAO Group Question

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Polymers and Plastic

The term PVC is used in the plastic industry stands for

A. Polyvinyl carbonate B. Polyvinyl Chloride C. phosphavinyl chloride D. phosphor vanadium chloride

Answer : B. Polyvinyl Chloride

Consider the following statements about acetylene:
1) It is used in welding industries
2) It is raw material for preparing plastics
3) It is easily obtained by mixing silicon carbide and water
Which of the statements are correct?

A. 1 and 2 are correct B. 1 and 3 are correct C. 2 and 3 are correct D. All the above

Answer : A. 1 and 2 are correct

The valency of phosphorus in PCl3 is

A. 2 B. 3 C. 4 D. 5

Answer : B. 3

10.

Terylene is the polyester of

A. ethylene glycol and phthalic acid B. hexamethylene diamine and adipic acid C. phenol and formaldehyde D. urea and formaldehyde

Answer : A. ethylene glycol and phthalic acid

11.

A peptide is

A. polyene B. polyester C. polymide D. poly alcohol

Answer : C. polymide

12.

Consider the following statements:
I. Bakelite is obtained from phenol and formaldehyde
II. Bakelite is a resin
III. Bakeliteis a thermosetting plastic
IV. Bakelite does not undergo chemical change

A. I alone is correct B. I,II and III are correct C. I,II,III and IV are correct D. IV alone is correct

Answer : C. I,II,III and IV are correct

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