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Class IX Science Quiz: Is Matter Around Us Pure?

Class IX
Science
Is Matter Around Us Pure?
15 questions
HARD

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1. What is a pure substance?

Contains only one type of particle · Can be separated by physical means · Has variable composition · Is always a solid

2. Which of the following is an example of a homogeneous mixture?

Sand and salt · Oil and water · Sugar solution · Fruit salad

3. What technique is used to separate a solid from a liquid?

Filtration · Evaporation · Distillation · Chromatography

4. Which method can be used to separate a mixture of liquids with different boiling points?

Filtration · Evaporation · Distillation · Decantation

5. Which of the following is NOT a characteristic of a colloid?

Heterogeneous mixture · Displays Tyndall effect · Particles settle upon standing · Cannot be separated by filtration