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Question

Which of the following acid is used in silk industries?
  1. formic acid
  2. ethanoic acid
  3. propanoic acid
  4. butyric acid


Solution

The correct option is B ethanoic acid

Ethanoic acid has many applications. It is used in

  • the manufacturing of rayon
  • rubber and silk industries
  • 5- 8% ethanoic acid is known as vinegar which is used in food and preservatives.
It is used in dyeing and finishing processes of silk, wool, nylon and other fiber like cotton.

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