True solutions (like sugar and water, potash alum and water, potassium permanganate and water) have solute particles that are too small (molecular or ionic size) to scatter visible light significantly, and thus do not exhibit the Tyndall effect.
Which one of the following is most likely to exhibit Tyndall effect?
Asked in WBCS Main Paper 4 2023 · Topic: Physical and Chemical Changes, Solution (Properties of Colloids (Tyndall Effect, Brownian Motion))
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Answer: C. Chalk powder and water mixture
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