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Digestion and Absorption — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYDigestion and Absorption1 Mark
MCQ
The $pH$ scale is used to measure.
  • A
    Electric charge on ion.
  • B
    Speed with which ions form.
  • C
    Size of ions.
  • ✓
    Concentration of hydrogen ions in a solution.
✓

Answer

Correct option: D.
Concentration of hydrogen ions in a solution.

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