On Sun, 19 Jul 2009 16:18:06 +0100, Clint Sharp wrote:

Iodine and ammonia was fun too, nice little clouds of coloured smoke but
a tad unstable when it dried out.

Ah yes - ammonia and HCl in evaporating dishes side by side. Filled the lab
with 'smoke' and contaminated all the glassware.
--
Peter.
The head of a pin will hold more angels if
it's been flattened with an angel-grinder.