What is a polymer? Name the natural polymer from which cotton is made.
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Answer
A synthetic fibre is made of small units which are joined together. These units are made of chemical substances. Such small units combine to form a large single unit called a polymer. Hence, a polymer is made of many repeating units. Polymers also occur in nature. For example, cotton is a natural polymer which is made from the cellulose. Cellulose is made up of a large number of glucose units.
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A polymer is a material made up of molecules of a large size, also called a macromolecule. It is made up of several such subunits. Such macromolecules have a high relative molecular mass .
Cotton is made up of the natural polymer called cellulose. Cellulose is a carbohydrate in which the molecule is made of a chain of sugar molecules (glucose).
Explanation:
Natural polymers include wool, silk, hemp, natural rubber etc. Examples of artificial or synthetic polymers are polyethylene, polystyrene, polyvinyl chloride (PVC) etc.