QUALITATIVE ANALYSIS

1. The colour imparted by the flame of sodium metal is:

 
 
 
 

2. Which guess turns the lime water, milky?

 
 
 
 

3. Ammonia is a gas

 
 
 
 

4. Which gas helps in combustion process?

 
 
 
 

5. Electrons of alkali metals excite by absorbing the light in:

 
 
 
 

Question 1 of 5

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  3. ENVIRONMENTAL CHEMISTRY-AIR
  4. ENVIRONMENTAL CHEMISTRY-WATER
  5. ORGANIC CHEMISTRY
  6. BIOCHEMISTRY
  7. EMPIRRICAL DATA COLLECTION AND ANALYSIS
  8. Define chemical equilibrium with example
  9. What is meant by chemical equilibrium?
  10. Differentiate between reversible and irreversible reactions?
  11. State Le-Chatelier’s principle.
  12. What is the significance of the equilibrium constant (Kc)?
  13. Why does a catalyst not affect the position of equilibrium?
  14. What happens to the equilibrium position if the concentration of a reactant is increased?
  15. What is the effect of decreasing pressure on a gaseous equilibrium system?
  16. What is dynamic equilibrium?
  17. How does temperature affect the equilibrium constant?
  18. State law of mass action?
  19. State the ways that equilibrium can be recognized.
  20. Describe the macroscopic characteristics of an equilibrium reaction.