 Experiment:
Testing the pH of various substances
Try testing the following solutions with pH paper and record your results. If you have
a printer, you can print out the following chart and fill it in by hand. If you have a
computer available to use all the time, you may paste the chart into a word processing or
spreadsheet program and record the results using the computer.
| Solution |
pH level |
| Soda water |
|
- Soda water freshly opened and left to go flat for a day. Soda water is slightly
sweetened water that has carbon dioxide dissolved in it under pressure.
|
|
- Soda water diluted by adding an equal volume of cold tap water. Here's an example:
mix 1 cup (250 ml) soda water with 1 cup (250 ml) cold tap water.
|
|
| Clear white vinegar |
|
- Clear white vinegar diluted with an equal part of soda water. Here's an example:
mix 1 cup (250 ml) white vinegar with 1 cup (250 ml) soda water.
|
|
| Milk |
|
| Clear tea (no milk or sugar added) |
|
| Orange juice |
|
| Lemon juice |
|
| Tomato juice |
|
| Tap water |
|
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