MP Board · Class 7 · Science · Acids, Bases and SaltsWhich natural indicator is commonly used to test acids and bases, obtained from lichens?
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Total Attempts: 4
Accuracy Rate: 25%
Step-by-Step Solution
Litmus is a natural indicator extracted from lichens. It turns red in acidic solutions and blue in basic solutions.
Detailed Options Breakdown
Option : Turmeric
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Acids, Bases and Salts.
Option 1: China rose
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Acids, Bases and Salts.
Option 2: Litmus (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Phenolphthalein
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Acids, Bases and Salts.
💡 Study Guide: This question tests core syllabus concepts from Acids, Bases and Salts. For formulas, key summaries, and mock exam reference guides, read the full Acids, Bases and Salts Revision Notes.