AIIMS (All India Institute of Medical Sciences) Chemistry: Questions 18 - 24 of 123

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Question number: 18

» Environmental Chemistry » Soil Pollution » Major Pollutants

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MCQ▾

Question

Most important cause soil of pollution is

Choices

Choice (4)Response

a.

Detergents

b.

Glass junks

c.

Iron junks

d.

Plastics

Question number: 19

» Polymers » Nylon

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MCQ▾

Question

A polyamide synthetic polymer prepared by prolonged heating of caprolactum is?

Choices

Choice (4)Response

a.

Nylon-6

b.

Nylon -6,10

c.

Nylon-6,6

d.

Glyptal

Question number: 20

» Polymers » Classification of Polymers

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MCQ▾

Question

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 number: 21

» Polymers » Addition and Condensation

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Question

The monomer of polystyrene is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 22

» Polymers » Bakelite

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MCQ▾

Question

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 number: 23

» Polymers » Natural and Synthetic Rubber

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MCQ▾

Question

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 number: 24

» Polymers » Natural and Synthetic Rubber

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MCQ▾

Question

Synthetic polymer which resembles natural rubber is?

Choices

Choice (4)Response

a.

Neoprene

b.

Chloroprene

c.

Glyptal

d.

Nylon

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