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10 questions from this quiz
Hydrogen power or power of hydrogen
777
10-fold decrease
pH=−log10[H+]\text{pH} = -\log_{10}[\text{H}^+]pH=−log10[H+]
3.03.03.0
About 2 pH units
A mixture of several indicators
Greater accuracy when properly calibrated
141414
Only digits after the decimal point
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