Chemistry_GCSE_AQA_COVERS_EVERYTHING Quiz 2.0 / 5 based on 4 ratings ? ChemistryGCSEAll boards Created by: DiamantiCreated on: 24-05-11 14:55 What is hard water cause by? Ca + Mg 1 of 11 What rock causes calcium to become dissolved in the water Chalk 2 of 11 Ion exchange column takes in Calcium and gives out.... Sodium 3 of 11 Ethanoic is a.... Weak acid 4 of 11 The minimum amount of energy needed to start a reaction is called Activation energy 5 of 11 Who said that bases form OH- (aq) ions? Arrhenius 6 of 11 What groups are used as catalysts Transition 7 of 11 What is added to Sulfate solutions after Hydrochloric acid ? Barium Chloride 8 of 11 What type of acid is added to detect Carbonate ions ANY ACID!! 9 of 11 What is a calorie? A 1 degree temperature rise per ml of water 10 of 11 In the Halide Ion test, what colour precipitate does SIlver Bromide give? Cream 11 of 11
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