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NCERTCBSE CHEMISTRY CLASS 12 CHAPTERWISE MCQ QUESTIONS

Welcome to your Unit 2: Solutions

1. 
The osmotic pressure of a solution is directly proportional to

2. 
If 2 gm of NaOH is present is 200 ml of its solution, its molarity will be

3. 
Mole fraction of glycerine C3H5(OH)3 in solution containing 36 g of water and 46 g of glycerine is

4. 
Out of molality (m), molarity (M), formality (F) and mole fraction (x), those which are independent of temperature are

5. 
The atmospheric pollution is generally measured in the units of

6. 
Isotonic solution are the solutions having the same.

7. 
Which of the following is a colligative property?

8. 
Atomic mass is equal to

9. 
Which of the following condition is not satisfied by an ideal solution?

10. 
Which of the following solutions have highest freezing point?

11. 
In case of electrolyte which dissociates in solution the Van’t Hoff’s factor, i is

12. 
The law which indicates the relation’-hip between solubility of a gas in liquid and pressure rs

13. 
People add sodium chloride to water while boiling eggs. This is to

14. 
Which relationship is not correct?

15. 
Among the following substances the lowest vapour pressure is exerted by

16. 
120 g of urea is present in 5 L of solution, the active mass of urea is

17. 
Partial pressure of a solution component is directly proportional to its mole fraction. This is known as

18. 
The molal elevation constant depends upon

19. 
Which of the following solutions shows positive deviation from Raoult’s law?

20. 
The vapour pressure of the two liquids ‘P’ and ‘Q’ are 80 and 60 torr respectively. The total vapour pressure of the solution obtained by mixing 3 mol of P and 2 mole of Q would be

21. 
At equilibrium the rate of dissociation of a solid solute in a volatile liquid solvent is

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