chapter 4 chemistry 0.0 / 5 ? Chemistrychapter 4ASOCR Created by: sianxxxxxxxxxCreated on: 16-08-20 11:15 What is an acid releases H+ ions when dissolved in an aqueous solution such as water 1 of 12 what is a weak acid an acid that partially dissociates/ionises in aqueous solution and releases some H+ ions e.g ethanoic acid, they are involved in reversible reactions 2 of 12 what is a strong acid an acid that fully dissociates/ionises in aqueous solution and release all H+ ions e.g hydrochloric acid 3 of 12 name 4 common acids hydrochloric acid, sulfuric acid, nitric acid, ethanoic acid 4 of 12 what is a base neutralises an acid to form a salt 5 of 12 what are the 4 base types metal carbonate, metal hydroxide, metal oxide, ammonia 6 of 12 what are 9 common bases MgO, CaO, CuO//Na2CO3, CaCO3, CuCO3//NaOH,KOH,NH3 7 of 12 what is an alkali dissolves in water releasing OH- ions 8 of 12 what is neutralisation H+ ions react with a base forming salt and water 9 of 12 name the 3 neutralisation equations acid + alkali -> salt + water,, acid + metal oxide/hydroxide ->salt +water,,metal carbonate + acid ->salt, water and carbon dioxide 10 of 12 Redox reactions OIL RIG oxidation number is 0 for elements, sum of oxidation numbers =total charge 11 of 12 titrations use a volumetric flask to make a standard solution, use a pipette and burette and work out the mean titre. 12 of 12
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