OCR A Level Chemistry Questions with 100% Correct Answers

OCR A Level Chemistry Questions with 100% Correct Answers acid - A species that is a proton donor. activation energy - The minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer - A very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation - The process in which unsaturated alkene molecules (monomers) add on to a growing polymer chain one at a time to form a very long saturated molecular chain (the addition polymer). addition reaction - A reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule. adsorption - The process that occurs when a gas, liquid or solute is held to the surface of a solid or, more rarely, a liquid. alicyclic hydrocarbon - A hydrocarbon with carbon atoms joined together in a ring structure.