class 9 new syllabus exploring mixtures and their separation – solution – Discussion Forum

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Virat

Asked: August 21, 2026In: Class 9 Science

Choose the correct options and explain the reason for the correct and incorrect options. Which among the following mixtures show the Tyndall Effect? A mixture of: (a) air and dust particles (b) copper sulfate and water (c) starch and water (d) acetone and water (i) a and b (ii) b and d (iii) a and c (iv) c and d

Option (iii) is correct. Air with dust particles and starch with water show the Tyndall effect because their dispersed particles scatter light, making the path of the light beam clearly visible to the observer nearby.