Polymers [JEE (Based on NTA Guidelines-IIT Engg.) Advanced Chemistry]: Questions 1 - 4 of 11

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Question 1

Question Match List-Ⅰ List-Ⅱ▾

Match the following

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Styrene

(i)

(B)

Teflon

(ii)

(C)

PVC

(iii)

(D)

Polyethene

(iv)
Structure of Styrene

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iii)
  • (ii)
  • (iv)

b.

  • (iv)
  • (ii)
  • (iii)
  • (i)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (iii)
  • (ii)
  • (i)
  • (iv)

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Question 2

Question MCQ▾

A polymer sample contains 100molecules of molecular weight 1000 and 200 molecules of molecular weight 10,000 what is its number average molecular weight?

Choices

Choice (4)Response

a.

11,000

b.

10,000

c.

7000

d.

700

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Question 3

Question Match List-Ⅰ List-Ⅱ▾

Match the chemical substance in Column – I with type of Polymer/type of bonds in Column – II.

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Sucrose

(i)

Natural polymer

Amide linkage

(B)

Protein

(ii)

Natural polymer

Glycoside linkage

(C)

Nylon – 6,6

(iii)

Glycoside linkage

(D)

Cellulose

(iv)

Synthetic polymers

Amide linkage

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (i)
  • (iii)
  • (iv)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

c.

  • (iii)
  • (i)
  • (ii)
  • (iv)

d.

  • (ii)
  • (iv)
  • (iii)
  • (i)

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Question 4

Question MCQ▾

Which of the following statement about low-density polythene is false?

Choices

Choice (4)Response

a.

It is used in the manufacture of buckets, dustbins etc.

b.

It is a poor conductor of electricity

c.

Its synthesis requires high pressure.

d.

Its synthesis requires dioxygen or peroxide as a catalyst

Edit