Science Projects That Involve Coke Dissolving Materials

Written by christine lafleur
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Science Projects That Involve Coke Dissolving Materials
People love to drink Coke, but is it acidic enough to dissolve materials? (George Marks/Retrofile/Getty Images)

Rumours that the popular soft drink Coke can dissolve certain materials have existed for a long time. Coke contains phosphoric acid and is a very acidic drink. Coca-Cola Classic is the most acidic Coke drink with a pH of around 2.5. You can test the hypothesis that Coke can dissolve certain materials by doing your own science projects at home.

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Can Coke Dissolve Meat?

Test whether Coke can dissolve meat by gathering 300g of steak, 300g of chicken and 300g of fish. Put each piece of meat in a glass jar and pour enough Coca-Cola Classic over the meat so that it is fully submerged. The rumour is that Coke will dissolve a piece of meat within five days. Seal the glass jars with lids and leave them on the counter. Check to see whether the meat has fully dissolved every day for the next five days. Record your observations. At the end of the five days, record the results.

Can Coke Dissolve Chalk?

Coke is rumoured to dissolve the enamel off of teeth. The enamel of teeth is calcium rich. You could test this hypothesis if you happen to have two or three old baby teeth that you do not mind soaking in Coke, or you can use another calcium-rich material such as chalk. Place a piece of chalk in a glass jar and pour enough Coke over it so that the piece of chalk is fully submerged. Check the chalk every day for five days and record the results. It may be helpful to take a picture of the chalk every time you check it.

Can Coke Dissolve Fingernails?

Another theory is that Coke can dissolve organic materials such as fingernails. To test this theory, you will need fingernail clippings, a glass jar and a bottle of Coke. Place the fingernail clippings in the glass jar and pour enough Coke over them so that they are fully submerged. Check on the fingernail clippings every day for five days and record the results. You can try this project with other organic materials like hair, teeth or chicken bones.

Can Coke Dissolve a Penny?

Test whether or not Coke can dissolve a penny by placing a penny in a glass and pouring enough Coke over the penny so that it is fully submerged. You will need to note whether your penny was made before 1982, which would mean it is made from copper, or if it was made after 1982, which would mean it was made from zinc and is copper plated. Leave the penny in the Coke for two days. After two days, note any corrosion on the penny.

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