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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...