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What is the main advantage of using olfactory indicators?
They give exact pH values.
They change colour sharply.
They can be used for all solutions.
They are useful for visually impaired individuals.
They are useful for visually impaired individuals.
Practice and solve "What is the main advantage of using olfactory indicators?..." for General Awareness - Previous Year Paper 2025. The correct answer is Option D: They are useful for visually impaired individuals.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "What is the main advantage of using olfactory indicators?..." for General Awareness - Previous Year Paper 2025. The correct answer is Option D: They are useful for visually impaired individuals.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.