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Chemistry Workbook for Secondary Students by Hailey Caruana is a document available to read on EtoBox.

The aim of this investigation was to see how varying the amount of sugar affects the amount of carbon dioxide gas produced by yeast. a) Mark suggested including a description of how large the balloon grew for each test tube containing varying amounts of sugar. Suzie disagreed with this method because: It is a subjective measurement that could lead to inconsistent and inaccurate results. The size of the balloon is difficult to quantify and compare between trials. (2 marks) b) A better method would be to:

Author

Hailey Caruana

Language

EN