Chemistry Quiz 0.0 / 5 ? ChemistryGCSEAQA Created by: Hannah DungworthCreated on: 24-05-13 12:56 What is formed at the negitive electrode during electrolyisis? The lowest member of the reactivity series 1 of 5 Define a catalyst A substance that increases the rate of reaction of a chemical reaction without itself undergoing any permenant chemical change 2 of 5 Define an Endothermic reaction reaction which absorbs energy from their surroundings 3 of 5 Define Activation energy the minimum amount of energy particles must have to react 4 of 5 Define a Metal Ore a rock containing a metal, or a metal compound, in high enough concentration to make it economic to extract the metal. 5 of 5
Comments
No comments have yet been made