Advertisements
Advertisements
प्रश्न
Define elastomer.
Advertisements
उत्तर
Polymers having the property of elasticity in which a substance gets stretched by external force and restores its original shape on the release of that force are called elastomers.
APPEARS IN
संबंधित प्रश्न
Answer the following.
Classify the following polymers as natural and synthetic polymers
- Cellulose
- Polystyrene
- Terylene
- Starch
- Protein
- Silicones
- Orlon (Polyacrylonitrle)
- Phenol-formedehyde resins
Answer the following.
Distinguish between thermosetting and thermoplastic resins. Write example of both the classes.
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
\[\begin{array}{cc}\ce{- (CH2 - CH -)_\text{n}}\\
\phantom{.....}|\\\ce{\phantom{.......}CN}\end{array}\]
Attempt the following:
Classify the following polymer as straight-chain, branched-chain and cross-linked polymers.
Which of the following is a biodegradable polymer?
Write the number of carbon atoms present in the monomer used for preparation of nylon 6 polymer.
Functional group present in terylene polymer is ______.
Explain the term copolymers with examples.
Explain thermoplastic and thermosetting polymers.
Explain homopolymers with examples.
Define fibres.
Which of the following properties is of the thermosetting polymers?
Identify the monomers used in the preparation of glyptal.
The total number of electrons around the carbon atom of methyl tree radical are ______.
The monomers used in the preparation of dextron are ______.
Cuprammonium rayon and viscose rayon are ____________ polymers.
∈-Caprolactum has ____________ carbon atoms in its ring.
Which of the following is INCORRECT regarding terylene?
Which among the following polymer is used to make crockeries?
Which of the following properties is of thermoplastic polymer?
Identify thermoplastic polymer from the following.
Identity semisynthetic polymer from following.
Define the synthetic polymers.
Which one of the following is a linear polymer?
Define Polymer.
How are polymers classified into different categories on the basis of intermolecular forces? Give an example of a polymer of each of these categories.
Write names of two natural polymers.
