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GCSE Coursework Acid Rain Investigation Thomas English Candidate Number: 1239 Centre Number: 14388 Contents The Task Page 1 Background Knowledge Page 1 - 2 Experimental Prediction Page 2 Safety Page 3 Factors to Vary and Control Page 3 Range and Number of Observations Page 3 Accuracy of Observations Page 3 Preliminary Work Page 3 Experimental Procedure Page 4 Analysis Page 11 Evaluation Page 12 Graphs, Charts and Diagrams Scatter Graph showing Volume of Gas against time Page 5 Line Graph showing Gas given off against Time Page 6 Graph with rate calculations Page 7 Graph showing Rate against time after 20 seconds Page 8 Diagram to show Collision Theory Page 9 Raw Data Page 10 The Task Marble buildings are corroded by acid rain. The rate of corrosion is affected by various factors, the reaction can be affected by temperature, concentration, pressure, surface area and in some circumstances light can also be a factor. We...

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