“calcium carbonate”, ignorecalcium”,gnore any ion formula except H+oL 8CHEM2-AQA GCE Chemistry2010 MarkScheme Januaryseries 4 c i i Sr + 2H2O Sr(OH)2 + H2 1 Ormultiples 4 d i 2Mg + TiCl4 2MgCl2 + Ti 1 Ormultiples 9CHEM2-AQA GCE Chemistry2010 MarkScheme Januaryseries Q Part...