1
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the monomers used to prepare novolac.

A
Isoprene
B
1,3-butadiene
C
Phenol and formaldehyde
D
Melamine
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following statements is NOT true about natural rubber?

A
It is a linear polymer.
B
In this polymer chain has coiled structure.
C
In this polymer chains are held together by weak van der Waals forces.
D
It is obtained from chloroprene.
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the monomer used to prepare Teflon.

A
$$\mathrm{C}_2 \mathrm{H}_4$$
B
$$\mathrm{C}_2 \mathrm{H}_3 \mathrm{N}$$
C
$$\mathrm{CONH}_2$$ and $$\mathrm{CH}_2 \mathrm{O}$$
D
$$\mathrm{C}_2 \mathrm{F}_4$$
4
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is NOT true for LDP?

A
It needs $$\mathrm{O}_2$$ or peroxide as initiator synthesis process.
B
It is a branched chain polymer.
C
It needs low pressure about 6-7 atm in synthesis process.
D
It has low melting point than HDP.
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