Among the following substituted silanes the one which will give

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 Multiple Choice QuestionsMultiple Choice Questions

1.

The two monomers used in the preparation of dextron are

  • 3-hydroxy butanoic acid and 3-hydroxy pentanoic acid

  • ∈ amino caproic acid and glycine

  • isobutylene and isoprene

  • lactic acid and glycolic acid


2.

Which of the following statements about low-density polythene is false?

  • It is a poor conductor of electricity

  • Its synthesis requires dioxygen or a peroxide initiator as a catalyst.

  • It is used in the manufacture of buckets, dustbins etc.

  • It is used in the manufacture of buckets, dustbins etc.

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3.

Which polymer is used in the manufacture of paints and lacquers?

  • Bakelite

  • Glyptal

  • Polypropene

  • Polypropene

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4.

Which one is classified as a condensation polymer?

  • Dacron

  • Neoprene

  • Teflon

  • Teflon

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5.

The polymer containing strong intermolecular forces e.g. hydrogen bonding is

  • natural rubber

  • Teflon

  • Nylon 6,6

  • Nylon 6,6

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6.

The formation of which of the following polymers involves hydrolysis reaction?

  • Nylon 6

  • Bakelite

  • Nylon 6, 6

  • Nylon 6, 6

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7.

Buna-N synthetic rubber is a copolymer of

  • space space space space space space space space space space space space space space space space space space space space space space space Cl space space space space space
space space space space space space space space space space space space space space space space space space space space space space space vertical line
space straight H subscript 2 straight C equals CH minus straight C equals CH subscript 2 and
    H2C = CH – CH = CH2

  • H2C = CH – CH = CH2 and
    H5C6 – CH = CH2

  • H2C = CH – CN and H2C = CH – CH = CH2

  • H2C = CH – CN and H2C = CH – CH = CH2

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8.

Bakelite is obtained from phenol by reacting with

  • (CH2OH)2

  • CH3CHO

  • CH3COCH3

  • CH3COCH3

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9.

Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is

  • R4Si

  • RSiCl3

  • R2SiCl2 

  • R2SiCl2 


B.

RSiCl3

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10.

Which of the following is a polyamide?

  • Teflon

  • Nylon – 6,6

  • Terylene

  • Terylene

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