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First thing: How come "acid + base --> salt + water" does not apply to HCl + NH4 -->NH4Cl Second Thing: For the 2006 HSC Chem paper, in Q21, "Explain the acidic nature of the salt you selected (I selected Ammonium Chloride). Include a balanced equation in your answer." The success one...

English Advanced. 76% CSSA trial. 79% overall. End of year Rank (15/21) Chemistry. 85% CSSA Trial, 88% overall. End of year Rank (4/8) Physics. 86% CSSA Trial. 87% overall. End of year Rank (1/9) Mathematics. 93% CSSA Trial. 95% overall. End of year Rank (3/25)...

School rank: 107 Chemistry: Overall rank - 4/8 CSSA Trial mark - 83% Biology: Overall rank - 2/9 CSSA Trial mark - 88% Mathematics: Overall rank - 3/14 CSSA Trial mark - 90% Physics: Overall rank - 1/6 CSSA Trial mark - 87% Adv. English: Overall rank - 13/23 CSSA Trial mark - 79%...