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Polymers-CBSE Class 12th NCERT Solution

Oct 3, 2013 17:22 IST

    Get, detailed solutions to the questions of the Polymers from NCERT textbooks. The objective is to helping students regarding the pattern of answering the question as per the cbse latest marking scheme.Cbse.jagranjosh.com provided you NCERT solutions for classes 12th math and science subjects.

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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

    image To Get the Solved Question Papers, Click Here

    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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