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household acid and base indicators

How do I make household acid and base indicators? The process is included.

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You can measure the pH of food using a test called the Litmus Paper test.
<br>The pH scale is a tool for measuring acids and bases. It is an expanding scale that goes from 0-14. The lower the number the more acidic the substance, a pH of 7 ...

Solution Summary

This job demonstrates the Litmus paper test.