Which of the following polymer is biodegradable?

1. $\sout{(}C{H}_2-\underset{\underset{Cl}{|}}{C}=CH-C{H}_2\sout{{)}_n}$

2. $\sout{(}C{H}_2-CH=CH-C{H}_2-C{H}_2-\stackrel{\stackrel{CN}{|}}{C}H\sout{{)}_n}$

3. $\sout{(}O-CH-C{H}_2-C-O-CH-C{H}_2-C\sout{{)}_n}$
$| || | \left|\right|$
$C{H}_3 O C{H}_{2}C{H}_3 O$

4. $\sout{(}\stackrel{\stackrel{N}{|}}{N}-{\left(C{N}_2\right)}_6-\stackrel{\stackrel{H}{|}}{N}-\stackrel{\stackrel{O}{\left|\right|}}{C}-{\left(C{H}_2\right)}_4-\stackrel{\stackrel{O}{\left|\right|}}{C}\sout{)}$_n

Which of the following statements is not true about low-density polyethylene?

1. Tough

2.  Hard

3. Poor conductor of electricity

4.  Branched structure

Match the following:

Codes

Match the materials given in Column I with the polymers given in Column II.

Codes

Select the correct option based on statements below:

Which of the following polymers can have strong intermolecular forces?

(a) Nylon

(b) Polystyrene

(c) Rubber

(d) Polyesters

Choose the correct option

1. (a, d)

2. (a, c)

3. (a, b)

4. (b, c)

Which of the following polymers are thermoplastic?

(a) Teflon

(b) Natural rubber

(c) Neoprene

(d) Polystyrene

Choose the correct option

1. (a, d)

2. (a, b)

3. (a, c)

4. (b, d)

Which of the following are characteristics of thermosetting polymers

Choose the correct option

1. (a, c)

2. (a, b)

3. (a, d)

4. (b, d)