1
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following is not an example of a condensation polymer?

A
Nylon 6,6
B
Decron
C
Buna-N
D
Silicone
3
JEE Main 2022 (Online) 24th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following is an example of polyester?

A
Butadiene-styrene copolymer
B
Melamine polymer
C
Neoprene
D
Poly-$$\beta$$-hydroxybutyrate-co-$$\beta$$-hydroxyvalerate
4
JEE Main 2022 (Online) 24th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A polysaccharide 'X' on boiling with dil H2SO4 at 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water gives gluconic acid. 'X' contains $$\beta$$-glycosidic linkages only. Compound 'X' is :

A
starch
B
cellulose
C
amylose
D
amylopectin
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