Chemistry 3.5 2.0 / 5 based on 1 rating ? ChemistryGCSEAQA Created by: hallie proctorCreated on: 10-05-13 18:57 Name the first three member of the alkanes. Methane, Ethane and Propane. 1 of 8 Write the structural formula of propanol. CH3CH2CH2OH 2 of 8 Draw the display formula of methanoic acid HCOOH 3 of 8 Why do so many perfumes conatain ethanol? It is a solvent, so mixes with water easily. 4 of 8 Ethanol and water are both colourless. Suggest one chemical test you could do to tell them apart. Apply a flame, add soduim or heat it. 5 of 8 Why do carboxylic acids have properties similar to all other acids. They produce H+, hydrogen ions in aqueos solutions. 6 of 8 Why are some esters used as flavourings? They have distinct smells and flavourings. 7 of 8 Why is it important to review our use of organic chemicals? Advantages and disadvantages may change over time as resources are used up or there are new developments or new research. 8 of 8
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