Revision 0.0 / 5 ? ChemistryChemistryGCSEEdexcel Created by: mik3thehumannCreated on: 30-03-15 14:37 What is a hydrocarbon made of? A hydrocarbon is made of hydrogen and carbon ONLY! 1 of 9 What do fertilisers do? They provide plants with essential elements, make plants grow faster and bigger and increase crop yield. 2 of 9 What is a limiting reagent? Somethings that limits the rate of reaction (RR) from increasing past a point. 3 of 9 Why do reactions happen? Reactions happen because particals collid with enough energy to either make or break bonds. 4 of 9 What is Exothermic? Something that gives off energy. 5 of 9 What is Endothermic? Somethings that takes in energy. 6 of 9 What is a solvent? a liquid thats dissolves a solid. 7 of 9 What is a solute? A solid that dissolved 8 of 9 What is a solution? A liquid that has a dissolved sollid in. 9 of 9
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