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1
JEE Main 2022 (Online) 28th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Which one of the following is NOT a copolymer?

A
Buna-S
B
Neoprene
C
PHBV
D
Butadiene-styrene
2
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
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Which is true about Buna-N?

A
It is a linear polymer of 1, 3-butadiene.
B
It is obtained by copolymerization of 1, 3-butadiene and styrene.
C
It is obtained by copolymerization of 1, 3-butadiene and acrylonitrile.
D
The suffix N in Buna-N stands for its natural occurrence.
3
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Match List - I with List - II

List - I
(Polymer)
List - II
(Used in)
(A) Bakelite (I) Radio and television cabinets
(B) Glyptal (II) Electrical switches
(C) PVC (III) Paints and Lacquers
(D) Polystyrene (IV) Water pipes

Choose the correct answer from the options given below :

A
(A) - (II), (B) - (III), (C) - (IV), (D) - (I)
B
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
C
(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
D
(A) - (II), (B) - (III), (C) - (I), (D) - (IV)
4
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Which of the following sets are correct regarding polymer?

(A) Copolymer : Buna-S

(B) Condensation polymer : Nylon-6,6

(C) Fibres : Nylon-6,6

(D) Thermosetting polymer : Terylene

(E) Homopolymer : Buna-N

Choose the correct answer from given options below :

A
(A), (B) and (C) are correct
B
(B), (C) and (D) are correct
C
(A), (C) and (E) are correct
D
(A), (B) and (D) are correct
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