- Dissolve copper(II) carbonate in 880 Ammonia to
form a violet coloured solution.
- Digest filter paper (preferably) or cotton wool
into this solution to form a syrup.
- Fill a syringe with the syrup and inject the
syrup under water to form a string-like thread.
- Washed in dilute sulphuric acid.
You have just carried out a polymerisation reaction, the
idea behind the production of plastics and rayon. Many small molecules
(monomers) join up as long chains (polymers) that get tangled up to
produce a solid substance.