Olfactory indicator for visually challenged
CBSE 2026 31/8/1 · SCI · Easy · Acids, Bases and Salts · MCQ · 1 mark
Which of the following acid-base indicators will be used by a visually challenged student to detect the presence of acid in a given solution?
- A.
Blue litmus
- B.
Clove oil
- C.
Red cabbage extract
- D.
Methyl orange
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