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Acids, Bases and Salts — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceAcids, Bases and Salts1 Mark
MCQ
Which of the following is an acid$-$base indicator?
  • A
    Vinegar
  • B
    Lime water
  • ✓
    Turmeric
  • D
    Baking soda
✓

Answer

Correct option: C.
Turmeric
Turmeric paste changes it colour from yellow to red when treated with a base.
So, turmeric is an acid$-$base indicator.

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