Nature of matter & chemical change answers

Answers to Nature of matter & chemical change questions 1. i. 2HCl(aq) + CaCO3(s) → CaCl2(aq) + CO2(g) + H2O(l) ii. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(l)2. i. Cl–(aq) + Ag+(aq) → AgCl(s)ii. CO32–(aq) + 2H+(aq) → CO2(g) + H2O(l)3. i. Distillation (to remove all the water)ii. Fractional distillation (as hexane boils at 68 oC and octane boils at 125 oC). iii. Paper chromatography...


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