JEE Main 2022 (Online) 24th June Evening Shift | Polymers Question 21 | Chemistry

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JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

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

Nylon 6,6

Decron

Buna-N

Silicone

JEE Main 2022 (Online) 24th June Morning Shift

MCQ (Single Correct Answer)

-1

Which of the following is an example of polyester?

Butadiene-styrene copolymer

Melamine polymer

Neoprene

Poly-$$\beta$$-hydroxybutyrate-co-$$\beta$$-hydroxyvalerate

JEE Main 2022 (Online) 24th June Morning Shift

MCQ (Single Correct Answer)

-1

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 :

starch

cellulose

amylose

amylopectin

JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

Monomer units of Dacron polymer are :

ethylene glycol and phthalic acid

ethylene glycol and terephthalic acid

glycerol and terephthalic acid

glycerol and phthalic acid

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