1
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Monomer of Novolac is :
A
3-Hydroxybutanoic acid
B
phenol and melamine
C
o-Hydroxymethylphenol
D
1, 3-Butadiene and styrene
2
JEE Main 2021 (Online) 26th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
The polymer formed on heating Novolac with formaldehyde is :
A
Bakelite
B
Polyester
C
Melamine
D
Nylon 6, 6
3
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Staggered and eclipsed conformers of ethane are :
A
Polymers
B
Rotamers
C
Enantiomers
D
Mirror images
4
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
A biodegradable polyamide can be made from :
A
Glycine and isoprene
B
Hexamethylene diamine and adipic acid
C
Glycine and aminocaproic acid
D
Styrene and caproic acid
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