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Home/particles in solutions are larger than 100 nm

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Srushti
Srushti
Asked: August 22, 2026In: Class 9 Science

Assertion (A): Solutions do not exhibit the Tyndall effect. Reason (R): The particles in solutions are larger than 100 nm, so they cannot scatter light. Choose the correct option: (i) Both A and R are true and R is the correct explanation of A. (ii) Both A and R are true, but R is not the correct explanation of A. (iii) A is true, but R is false. (iv) A is false, but R is true.

Option (iii) is correct. Assertion A is true because transparent solutions do not show the Tyndall effect. Reason R is false because solution particles are smaller than 1 nm, not larger than 100 nm.

exploring mixtures and their separation – class 9 science chapter 5 solutionsncert solutions – exploring mixtures and their separationparticles in solutions are larger than 100 nmsolutions do not exhibit the tyndall effect
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