the head of soap molecule is _______.

the tail of soap molecule dissolves in ______.

soap molecules ________ surface tension of water.

_______ are small molecules that will combine together.

the process of joining monomers to form polymer is called _______.

which one is used to make airplane window panes?

Which one is used to make plastic bottles?

natural rubber is made up of ______ monomer.

latex will coagulate if it contains ______ ion.

vulcanization is the process of adding ________ into natural rubber.

which one helps prevent coagulation of latex?

which one is more elastic?

which one is easier to stretch?