Online MCQs – Chemical Equilibrium – Chemistry 10th

Class 10th | Chemistry | Chapter 1 | Chemical Equilibrium | Solved Online MCQs Test

Online MCQs Test of Chapter 1 (Chemical Equilibrium) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. equal to 0

 
 
 
 

2. Which one is not a reversible reaction?

 
 
 
 

3. Conversion of ice into the water by melting and conversion of water into ice by freezing is an example of:

 
 
 
 

4. A reaction which is never goes to completion is known as reversible reaction. Reversible reaction is represented by:

 
 
 
 

5. The unit of Kc for reaction N2 + O2 ⇌ 2NO

 
 
 
 

6. For which system does the equilibrium constant, Kc has units of concentration?

 
 
 
 

7. The state of dynamic equilibrium can be represented by:

 
 
 
 

8. None of them

 
 
 
 

9. Which reactions are irreversible reactions?
(i) Condensation
(ii) Combustion
(iii) Melting
(iv) Rusting

 
 
 
 

10. As the reactant amount decreases, the rate of reactant transformation:

 
 
 
 

11. The system is stable in equilibrium when:

 
 
 
 

12. densities

 
 
 
 

13. asher There is decrease in product concentration as the process reverses, forming more reactants.

 
 
 
 

14. Kc = :

 
 
 
 

15. None of these

 
 
 
 

16. None of them

 
 
 
 

17. None of these

 
 
 
 

18. When the magnitude of Kc is small, indicates:

 
 
 
 

19. The rate at which a substance reacts is directly proportional to its:

 
 
 
 

20. The direction of a reaction can be predicted by the type of arrow:

 
 
 
 


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