Chemistry topic 4 0.0 / 5 ? ChemistryChemical changesGCSEAQA Created by: Millie FreeCreated on: 12-10-17 20:16 A substance is 3 on the PH scale is it? An Acid 1 of 5 What is the last metal on the reactivity series? Copper 2 of 5 What is the first metal on the reactivity series? Potassium 3 of 5 What does electrolysis mean? splitting up with electricity 4 of 5 What is a base? substance with a PH greater than 7 5 of 5
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