Polyester is used in:
Correct answer: B. Fabric industry
- A. Cosmetic industry
- B. Fabric industry
- C. None of these
- D. Food industry
Explanation
Polyester is a synthetic fabric made from petroleum. It is one of the most popular textiles.Polyesters are most commonly made by condensation reactions between alcohols and carboxylic acids. The repeating units of polyester are linked by ester linkages.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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