Electrolysis 3.0 / 5 based on 1 rating ? ChemistryElectrolysisGCSEAQA Created by: Ben AndrewsCreated on: 09-12-12 16:46 Acids produce what ions? H+ 1 of 24 Acids are neutralised by what? Bases 2 of 24 An alkali is a soluble _________? hydroxide 3 of 24 Low pH=???? Acid 4 of 24 Products for acids+metals salt+hydrogen 5 of 24 Products for acid+base salt+water 6 of 24 Acid+base=______________ reaction? neutralisation 7 of 24 Acid+alkali=??????????????????? salt+water 8 of 24 What process can be used to separate some metal ions from industrial waste water? Precipitation 9 of 24 What states do ionic compounds have to be in in order for electrolysis to take place? Molten or in a solution 10 of 24 Where do positive ions move to in electrolysis? Negative electrode 11 of 24 Negative ions are ?? Oxidised 12 of 24 Negative electrode=less reactive or more reactive element produced? less 13 of 24 Positive elecrode=?????? gas oxygen 14 of 24 What is electrolysised in the manufacture of aluminium? Aluminium oxide 15 of 24 Aluminium oxide is mixed together with what to lower it's melting point? cryolite 16 of 24 Aluminium forms at which electrode? Negative 17 of 24 What forms at the positive electrode in electrolysis of aluminium? Oxygen 18 of 24 What are the electrodes made of in the electrolysis of aluminium? Carbon 19 of 24 What are the three products of electrolysis of brine? chlorine, hydrogen and soduim hydroxide solution 20 of 24 What is the chlorine used to make in the electrolysis of brine? Bleach 21 of 24 What is the hydrogen used to make in the electrolysis of brine? Margarine 22 of 24 What two things is the sodium hydroxide used to make in the electrolysis of brine? Paper and soap 23 of 24 Object to be electroplated is which electrode? Negative 24 of 24
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