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Q: Which of the following indicators cannot be used to differentiate between acidic and neutral solutions?
  • A. methyl orange
  • B. phenolphthalein
  • C. Eosin
  • D. Universal Indicator
Correct Answer: Option C - A natural or synthetic indicator such as phenolphthalein, universal indicator methyl oranges, detects the acid or alkali properties of a compound while cytoplasm, tissue is studied by eosin
C. A natural or synthetic indicator such as phenolphthalein, universal indicator methyl oranges, detects the acid or alkali properties of a compound while cytoplasm, tissue is studied by eosin

Explanations:

A natural or synthetic indicator such as phenolphthalein, universal indicator methyl oranges, detects the acid or alkali properties of a compound while cytoplasm, tissue is studied by eosin