1.  M=ΣNiMi2/ΣNi

2.  M=ΣNiMi/ΣNi

3.  M=ΣNiMi2/ΣNiMi

4.  None of these

4
Correct Answer :

M=ΣNiMi/ΣNi


Explanation :
No Explanation available for this question

1.  Bakelite

2.  Terylene

3.  Nylon

4.  Polythene

4
Correct Answer :

Polythene


Explanation :
No Explanation available for this question

1.  terylene

2.  Teflon

3.  Glyptal

4.  Nylon-6

4
Correct Answer :

Nylon-6


Explanation :
No Explanation available for this question

1.  Wax

2.  1, 3-Butadiene

3.  CaC2

4.  Carbon black

4
Correct Answer :

Carbon black


Explanation :
No Explanation available for this question

1.  

2.  

3.  Nylon 66[NH(CH2)6NHCO(CH2)4-CO-]2

4.  Teflon (-CF2-CF2-)n

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger

2.  Natural rubber has the trans-configuration at every double bond

3.  Buna-S is a copolymer of butadiene and styrene

4.  Natural rubber is a 1, 4-polymer of isoprene

4
Correct Answer :

Natural rubber has the trans-configuration at every double bond


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  Vinyl cyanide

2.  Acrolein

3.  Glycol

4.  Isoprene

4
Correct Answer :

Vinyl cyanide


Explanation :
No Explanation available for this question

1.  Cellulose

2.  Polyethene

3.  Polyvinly chloride

4.  Nylon-6

4
Correct Answer :

Cellulose


Explanation :
No Explanation available for this question

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