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Some questions of this chapter are given here.
Q. Explain the terms polymer and monomer.
Ans.
Polymers: -
They are macromolecules which are composed of repeating structural units, monomers. They have high molecular mass in the range of (103 − 107 u).
In this, various monomer units are joined by strong covalent bonds. For example- Polythene, rubber, and nylon 6, 6
Monomers: -
They are simple molecules. Because of reactive nature, they combine with each other in large numbers through covalent bonds & forms polymers. For example- styrene, vinyl chloride, ethene
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Q.What are natural and synthetic polymers? Give two examples of each type.
Ans.
Natural polymers: -
They are found in nature & formed by plants and animals. For example- starch, protein, cellulose, etc.
Synthetic polymers: -
They are made by human beings. For example- nylon 6, Buna – S, plastic, etc
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