Colloids, Suspensions and Tyndall EffectPractice Questions & MCQs
Practice Colloids, Suspensions and Tyndall Effect questions from Is Matter Around Us Pure (Class 9 Science) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Colloids, Suspensions and Tyndall EffectQuiz - Solve & Score
Q1. Which shows the Tyndall effect?
- A.colloid
- B.true solution
- C.pure water
- D.filtered air
Answer: A. colloid
Concept involved: Colloids scatter light (Tyndall effect). Applying this to the choices: Correct. The other choices: option B) 'true solution' is incorrect: No scattering; option C) 'pure water' doesn't hold - No scattering; option D) 'filtered air' is incorrect: No scattering. So the correct option is A) colloid.
Q2. Which everyday observation is an example of the Tyndall effect?
- A.a beam of sunlight made visible by dust/smoke in air
- B.salt dissolving completely in water
- C.ice melting into water
- D.a magnet attracting iron
Answer: A. a beam of sunlight made visible by dust/smoke in air
Q3. Which mixture would show the Tyndall effect?
- A.a colloid such as milk or fog
- B.a true solution of salt in water
- C.pure distilled water
- D.a clear sugar solution
Answer: A. a colloid such as milk or fog
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