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

Which of the following statements is NOT true about polymorphism?

A
The existence of substance in more than one crystalline form.
B
Polymorphism occuring in element is called allotropy.
C
Polymorphic forms of a substance are formed under different conditions.
D
The crystal shape of polymorphic substances is identical to each other.
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is an example of branched chain polymer?

A
High density polythene
B
Low density polythene
C
Bakelite
D
Melamine
3
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
4
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.
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