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AIIMS (All India Institute of Medical Sciences) Chemistry: Questions 20 - 26 of 123

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Question 20

Question

MCQ▾

Which of the following polymer can be obtained the polymerization of lactic acid?

Choices

Choice (4)Response

a.

Poly glycolic acid (PGA) and polylactic acid

b.

Poly hydroxy butyrate (PHB)

c.

Poly caprolactone lactone (PCC)

d.

Question does not provide sufficient data or is vague

Question 21

Question

MCQ▾

The monomer of polystyrene is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 22

Question

MCQ▾

A bakelite is formed by polymerization between?

Choices

Choice (4)Response

a.

Acrylonitrile molecules

b.

Urea and formaldehyde

c.

Phenol and formaldehyde molecules

d.

Tetra fluoroethene molecules

Question 23

Question

MCQ▾

The polymer of natural rubber is?

Choices

Choice (4)Response

a.

All cis isoprene

b.

All trans isoprene

c.

Buna – N

d.

All of the above

Question 24

Question

MCQ▾

Synthetic polymer which resembles natural rubber is?

Choices

Choice (4)Response

a.

Neoprene

b.

Chloroprene

c.

Glyptal

d.

Nylon

Question 25

Question

MCQ▾

1,3- butadiene and styrene on polymerization gives?

Choices

Choice (4)Response

a.

Buna-S

b.

Terylene

c.

Teflon

d.

Bakelite

Question 26

Question

MCQ▾

Which of the following polymer is a co- polymer?

Choices

Choice (4)Response

a.

Polyvinyl chloride

b.

Polyethene

c.

Glyptal

d.

Buna – rubber

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