Rubber
« Previous Topic: Preparation, Structures, and Properties of Condensation Polymers Last Topic in »
CHXII15:POLYMERS

325156 Which of the following is correct about natural rubber?

1 Natural rubber becomes soft at high temperature \((>335 \mathrm{~K})\)
2 Natural rubber becomes brittle at low temperature \(( < 283 \mathrm{~K})\)
3 Natural rubber is soluble in non-polar solvents
4 All are correct
CHXII15:POLYMERS

325157 The tensile strength, elasticity and resistance to abrasion can be increased by a process called

1 Galvanisation
2 Vulcanisation
3 Bessemerisation
4 Sulphonation
CHXII15:POLYMERS

325158 Natural rubber is a polymer of

1 cis-isoprene
2 trans-isoprene
3 Both (a) and (b)
4 None of these
CHXII15:POLYMERS

325159 Trans-form of polyisoprene is known as

1 Synthetic rubber
2 Buna-N
3 Hydrochloride rubber
4 Gutta-percha rubber
NCERT Exemplar
CHXII15:POLYMERS

325160 The type of major, isomerism is shown by the repeating unit in polymer (X) is
supporting img

1 Functional isomerism
2 Tautomerism
3 Geometrical isomerism
4 Optical isomerism
NEET DIGITAL LIBRARY
CHXII15:POLYMERS

325156 Which of the following is correct about natural rubber?

1 Natural rubber becomes soft at high temperature \((>335 \mathrm{~K})\)
2 Natural rubber becomes brittle at low temperature \(( < 283 \mathrm{~K})\)
3 Natural rubber is soluble in non-polar solvents
4 All are correct
CHXII15:POLYMERS

325157 The tensile strength, elasticity and resistance to abrasion can be increased by a process called

1 Galvanisation
2 Vulcanisation
3 Bessemerisation
4 Sulphonation
CHXII15:POLYMERS

325158 Natural rubber is a polymer of

1 cis-isoprene
2 trans-isoprene
3 Both (a) and (b)
4 None of these
CHXII15:POLYMERS

325159 Trans-form of polyisoprene is known as

1 Synthetic rubber
2 Buna-N
3 Hydrochloride rubber
4 Gutta-percha rubber
NCERT Exemplar
CHXII15:POLYMERS

325160 The type of major, isomerism is shown by the repeating unit in polymer (X) is
supporting img

1 Functional isomerism
2 Tautomerism
3 Geometrical isomerism
4 Optical isomerism
Join With Us for More Updates
CHXII15:POLYMERS

325156 Which of the following is correct about natural rubber?

1 Natural rubber becomes soft at high temperature \((>335 \mathrm{~K})\)
2 Natural rubber becomes brittle at low temperature \(( < 283 \mathrm{~K})\)
3 Natural rubber is soluble in non-polar solvents
4 All are correct
CHXII15:POLYMERS

325157 The tensile strength, elasticity and resistance to abrasion can be increased by a process called

1 Galvanisation
2 Vulcanisation
3 Bessemerisation
4 Sulphonation
CHXII15:POLYMERS

325158 Natural rubber is a polymer of

1 cis-isoprene
2 trans-isoprene
3 Both (a) and (b)
4 None of these
CHXII15:POLYMERS

325159 Trans-form of polyisoprene is known as

1 Synthetic rubber
2 Buna-N
3 Hydrochloride rubber
4 Gutta-percha rubber
NCERT Exemplar
CHXII15:POLYMERS

325160 The type of major, isomerism is shown by the repeating unit in polymer (X) is
supporting img

1 Functional isomerism
2 Tautomerism
3 Geometrical isomerism
4 Optical isomerism
For More Updates join with Us
CHXII15:POLYMERS

325156 Which of the following is correct about natural rubber?

1 Natural rubber becomes soft at high temperature \((>335 \mathrm{~K})\)
2 Natural rubber becomes brittle at low temperature \(( < 283 \mathrm{~K})\)
3 Natural rubber is soluble in non-polar solvents
4 All are correct
CHXII15:POLYMERS

325157 The tensile strength, elasticity and resistance to abrasion can be increased by a process called

1 Galvanisation
2 Vulcanisation
3 Bessemerisation
4 Sulphonation
CHXII15:POLYMERS

325158 Natural rubber is a polymer of

1 cis-isoprene
2 trans-isoprene
3 Both (a) and (b)
4 None of these
CHXII15:POLYMERS

325159 Trans-form of polyisoprene is known as

1 Synthetic rubber
2 Buna-N
3 Hydrochloride rubber
4 Gutta-percha rubber
NCERT Exemplar
CHXII15:POLYMERS

325160 The type of major, isomerism is shown by the repeating unit in polymer (X) is
supporting img

1 Functional isomerism
2 Tautomerism
3 Geometrical isomerism
4 Optical isomerism
NEET DIGITAL LIBRARY
CHXII15:POLYMERS

325156 Which of the following is correct about natural rubber?

1 Natural rubber becomes soft at high temperature \((>335 \mathrm{~K})\)
2 Natural rubber becomes brittle at low temperature \(( < 283 \mathrm{~K})\)
3 Natural rubber is soluble in non-polar solvents
4 All are correct
CHXII15:POLYMERS

325157 The tensile strength, elasticity and resistance to abrasion can be increased by a process called

1 Galvanisation
2 Vulcanisation
3 Bessemerisation
4 Sulphonation
CHXII15:POLYMERS

325158 Natural rubber is a polymer of

1 cis-isoprene
2 trans-isoprene
3 Both (a) and (b)
4 None of these
CHXII15:POLYMERS

325159 Trans-form of polyisoprene is known as

1 Synthetic rubber
2 Buna-N
3 Hydrochloride rubber
4 Gutta-percha rubber
NCERT Exemplar
CHXII15:POLYMERS

325160 The type of major, isomerism is shown by the repeating unit in polymer (X) is
supporting img

1 Functional isomerism
2 Tautomerism
3 Geometrical isomerism
4 Optical isomerism