Monomer of natural rubber is:

1.
2.
3.
4.

Incorrect match among the following is:

1.
2.
3.
4.

1. 2-methyl propene

2. Styrene

3. Propylene

4. Ethene

Acrolein is hard, and a high melting point material. The structure of Acrilan among the following is:

1.
2.
3.
4.

Among the following, the monomers which give the polymer neoprene on polymerization are:

1.	CH2 = CHCl
2.	CCl2 = CCl2
3.
4.	CF2 = CF2