Incorrect statement regarding cross-linked or network polymers is:

1. They contain covalent bonds between various linear polymer chains.
2. They are formed from bi and tri functional monomers.
3. Examples are bakelite and melamine.
4. They contain strong covalent bonds in same polymer chain.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 54%
Level 3: 35%-60%
NEET - 2018
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The correct structure of Nylon-6,6 polymer is:

1. 
2.  
3. 
4. 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 77%
Level 2: 60%+
NEET - 2016
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Natural rubber has:

1. All trans-configuration
2. Alternate cis - and trans-configuration
3. Random cis - and trans-configuration
4. All cis-configuration

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 87%
Level 1: 80%+
NEET - 2016
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