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1
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Vulcanization of rubber is carried out by heating a mixture of

A
isoprene and styrene
B
neoprene and sulphur
C
isoprene and sulphur
D
neoprene and styrene
2
JEE Main 2022 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Match List I with List II :

List I List II
(A) Nylon 6, 6 (I) Buckets
(B) Low density polythene (II) Non-stick utensils
(C) High density polythene (III) Bristles of brushes
(D) Teflon (IV) Toys

Choose the correct answer from the options given below :

A
A-III, B-I, C-IV, D-II
B
A-III, B-IV, C-I, D-II
C
A-II, B-I, C-IV, D-III
D
A-II, B-IV, C-I, D-III
3
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Melamine polymer is formed by the condensation of:

A
JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Polymers Question 20 English Option 1
B
JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Polymers Question 20 English Option 2
C
JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Polymers Question 20 English Option 3
D
JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Polymers Question 20 English Option 4
4
JEE Main 2022 (Online) 30th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Match List - I with List - II.

List-I
Polymer
List-II
Repeat Unit
(a) Acrilan (i) JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Polymers Question 21 English 1
(b) Neoprene (ii) JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Polymers Question 21 English 2
(c) Polystyrene (iii) JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Polymers Question 21 English 3
(d) Buna-N (iv) JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Polymers Question 21 English 4

Choose the correct match from the options given below :

A
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
B
(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
C
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
D
(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
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