Exploring Mixtures and their Separation Class 9 Online test

Class 9 science

General Instructions

  • Your test contains multiple-choice questions with only one answer-type question. There are a total of 10 questions
  • This is a 20 min test. Please make sure you complete it in the stipulated time
  • You can finish this test any time using the 'Submit' button.
1. Which type of mixture shows the Tyndall effect?
2. The particle size of colloids is generally:
3. A mixture in which particles settle down on standing is:
4. The method used to separate salt from salt solution is:
5. Which of the following can be separated by sublimation?
6. Which method is used to separate miscible liquids with different boiling points?
7. What is the correct way to express mass by mass percentage?
8. Which method is used to separate cream from milk?
9. A mixture of two miscible liquids, ethanol and water, needs to be separated in a school laboratory. Which method is best suited, and which specific property difference allows the separation?
10. Brass is a mixture of:

 

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