Chemistry Revision 0.0 / 5 ? ChemistryDefinitionsScottish HighersSQA Created by: rosiesmithCreated on: 14-07-14 15:36 Catalyst speeds up the rate of reaction without being used up in the reaction 1 of 11 Combustion scientific term for burning, it requires oxygen 2 of 11 Effervescence bubbling up and fizzing, a gas has formed 3 of 11 Endothermic a decrease in temperature 4 of 11 Exothermic an increase in temperature 5 of 11 Enzymes a catalyst for living things 6 of 11 Ester a substance which is formed by the reaction of an alcohol with a carboxylic acid 7 of 11 Fermentation sugar can be broken down into alcohol by yeast 8 of 11 Acid a solution containing excess H+ ions over OH- ions(pH 9 of 11 Acidic oxides non-metal oxides which dissolve in water such as SO2 or NO2 10 of 11 Alcohols carbon compounds containing the -OH group (hydroxyl) eg ethanol 11 of 11
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