C7 Full Unit Quiz Every point on the C7 specification. 4.5 / 5 based on 10 ratings ? ChemistryGCSEAll boards Created by: Jade WilsonCreated on: 07-05-12 14:03 What are alkanes a group of? Hydrocarbon 1 of 15 Are alkanes saturated hydrocarbons? True 2 of 15 Whats the molecular formula for Propane? C3H8 3 of 15 Alcohols react with soduim to produce a salt and a? Hydrogen gas 4 of 15 Is the molecular formula of ethanoic acid HCOOH? False 5 of 15 Carboxylic acids are responsible for the smell of sweaty socks, what are responsible for the smell and taste of fresh fruit? Esters 6 of 15 Fats are esters of glycerol and fatty acids, true or false? True 7 of 15 Exothermic reactions are accompanied by a temperature rise, and endothermic by a temperature fall? True 8 of 15 What is activation energy? Needed to break bonds 9 of 15 Is the definition of reversible reactions forward and backward reactions occur at the same rate? False 10 of 15 What was the definition in Question 12 then? Equilibrium 11 of 15 What is the mobile phase in chromatography? Solvent 12 of 15 What is an advantage to gas chromatography rather than paper or thin layer? You can seperate complex mixtures 13 of 15 Ammonia, Sulfuric Acid and Phosphoric Acid are types of which chemicals? Bulk 14 of 15 If an enzyme in denatured, can any more reactions occur? False 15 of 15
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