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) |
Choices
Choice (4) | Response | |
---|---|---|
| ||
a. |
| |
b. |
| |
c. |
| |
d. |
|
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 |
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. |
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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 |