Products include:
NaOH (Sodium Hydroxide) - test with phenolthailene (spelt that one wrong lol)
Hydrogen gas test by adding soap to the cell and burning the bubbles over the anode (it makes a loud pop)
Chlorine gas (test by the smell of a pool - but really strong - oh and the inability to...
At our school, everyone in extension 1 was allowed to do extension 2 but most dropped. at the beginning of the HSC course we had 9 in extension 1 and 7 in extension 2. 3 dropped within a month adn 4 of us started on the major work.
by the beginning of this year, one more had dropped extension...