The Principle of the Reagent Strip Test for Specific Gravity

question 34

Multiple Choice

The principle of the reagent strip test for specific gravity is:

• A) Ionization of the indicator bromothymol blue, producing a pH change
• B) Ionization of a polyelectrolyte, producing a pH change detected by bromothymol blue
• C) Reaction of dissociated polyelectrolyte with bromothymol blue to produce a pH change
• D) Change in the pKa of bromothymol blue to produce a pH change

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