How do you test acidity of different substances?

  • Thread starter Thread starter Alison Z
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Alison Z

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How could you test the acidity of different acids, like toilet bowl cleaner (HCl), lemon juice (citric acid), and vinegar (acetic acid)?

This is for a science project that we're supposed to teach 5th graders how to do at home, so it'd be great if you could limit materials to ones that are easily accessible. Thanks!
 
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