Class 9 Is Matter Around Us Pure Quiz MCQ Set 2

MCQ Quiz – 2 MCQ Quiz – 1 Notes Important Questions NCERT Solutions

Is Matter Around Us Pure Quiz – 2

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1. Which of the following mixtures can be  separated by sublimation

 
 
 
 

2. ………….method use for separation of petroleum products

 
 
 
 

3. Name the type of colloid whose dispersed phase is liquid and dispersing medium is gas

 
 
 
 

4. A solution contains 40 g of common salt dissolved in 320 ml of water. calculate the mass concentration of the solution.

 
 
 
 

5. smoke is an example of which type of colloid

 
 
 
 

6. A mixture of of camphor and ammonium chloride can be separated by

 
 
 
 

7. Foam is a type of colloid whose dispersed phase is

 
 
 
 

8. ………………solutions can separated depending upon their densities.

 
 
 
 

9. The crystals of copper sulphate turn white on heating due to

 
 
 
 

10. Sublimation technique is used to separate the type of mixture which is:

 
 
 
 

11. Among the following substance, which one is a mixture ?

 
 
 
 

12. Which method is used to separate two miscible liquids?

 
 
 
 

13. The colour of the pure ammonium chloride

 
 
 
 

14. To make a saturated solution 36 g of sodium chloride is dissolved in 100 g of water at 293 K. finds its concentration at this temperature.

 
 
 
 

15. Recovery of salt from salt solution can be quickly done by :

 
 
 
 

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