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Quiz on Is Matter Around Us Pure?
Class IX
Science
Is Matter Around Us Pure?
14 questions
MEDIUM
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Preview questions
1. What is a pure substance?
Contains only one type of particle · Can be separated into components · Has variable composition · Is always a solid
2. Which of the following is an example of a homogeneous mixture?
Sand and salt · Air · Oil and water · Fruit salad
3. What is the main characteristic of a heterogeneous mixture?
Uniform composition · Different phases · Single phase · Chemical bonding
4. Which of the following is NOT a method of separating mixtures?
Filtration · Evaporation · Sublimation · Combustion
5. Which method would you use to separate a solid from a liquid?
Filtration · Distillation · Chromatography · Centrifugation
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