Tariah59101 Tariah59101

16-06-2024
Chemistry

Answered

The agar (gelatine-like substance) has been made with a basic solution and contains phenolphthalein (Hph). Phenolphthalein is: A. below ph 8
B. at pH 8 - 9.5
C. at pH 10 and above.

Answer :

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