Select the correct option based on statements below:

Assertion (A):	Nylon-2,Nylon-6 is a biodegradable polymer.
Reason (R):	Glycine is one of the monomers of Nylon-2,6.

  

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Match the polymers given in Column-I with their repeating units given in Column-II. Choose the correct option from the codes given below :

Column-I	Column-II
(a) Polystyrene	(p)
(b) Novolac	(q)
(c) Buna-N	(r)
(d) Acrilan	(s)

Select the correct option based on statements below:

The polymer that can't be prepared by condensation polymerization is : 

1. Dacron

2. Nylon-6

3. Glyptal

4. PTFE

The natural polymer among the following options is: 

1. Poly(Butadiene-styrene)

2. Polybutadiene

3. Poly(Butadiene-acrylonitrile)

4. Cis-1,4-polyisoprene

Monomer of neoprene is: 

1.
2.
3.
4.

Condensation of caprolactam gives:

1. Nylon-6,6               

2. Nylon-6

3. Nitrile rubber         

4. Nylon-6,10

Of the following the step growth polymer is : 

1. Bakelite

2. Polyethylene

3. Teflon

4. PVC

The catalyst used in the manufacture of polythene by Ziegler method is:
1. Titanium tetrachloride and triphenyl galium 
2. Titanium tetrachloride and triethyl aluminium
3. Titanium dioxide
4. Titanium isopropoxide

The monomer units of PTFE are:

1. Cl₂CH-CH₃

2. F₂C=CF₂

3. F₃C-CF₃

4. FClC=CF₂