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Acids, Bases and Salts — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceAcids, Bases and Salts1 Mark
MCQ
$........$ indicator has natural origin:
  • ✓
    Litmus
  • B
    Methyl orange
  • C
    Universal indicator
  • D
    Phenolphthalein
✓

Answer

Correct option: A.
Litmus
Litmus is the indicator extracted from the Lichen plant whereas methyl orange, universal indicator and phenolphthalein are made in laboratory.

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