After completing all the tests for Sally’s cake, I found one dangerous substance. The last overall test I completed was copper and it was present in the cake. I tested 3 tubes, the first one was copper solution, next one was distilled water and last one was the cake stock solution. The cake solution and copper solution both turned brown. Copper can be dangerous for many reasons. It’s harmful to the human body because it binds to proteins and enters different organs and the blood stream, making it harmful being in places in the body that it’s not supposed to be. (NPIC 2012). It can kill bacteria, algae, roots, plants, snails, and fungi (NPIC 2012). After doing some additional research on the effects from inorganic copper compounds, I found that
