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pH test. Universal indicator is used to test two solutions for pH. When universal indicator is added to 0.1 M hydrochloric acid (HCl), its color changes to red indicating a strongly acidic solution. When universal indicator is added to 0.1 M sodium hydroxide (NaOH), its color changes to dark blue indicating a strongly alkaline solution.

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Ph Test Video

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Item ID: 148121823
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