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The major raw material in a plastic industry is

Chemistry
WAEC 1989

The major raw material in a plastic industry is

  • A. ethanol
  • B. sulphur
  • C. methylethanoate
  • D. ethene
  • E. ethane
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Correct Answer: Option D
Explanation

- Earlier, molasses act as a raw material which yield ethanol from which ETHENE (gotten is used to) produce a range of poly(ethene) plastics.

- Nowadays, starting new raw materials are obtained by the fractional distillation of crude oil or petroleum.

- During the thermal cracking of petroleum; long chain alkanes are converted into smaller chain alkanes, ALKENES (with Ethene being the predominate), etc.

- The Alkenes such as Ethene and Propene can be made into Poly(ethene) / plastic, nylon, etc.


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995