NUMS 2020 PAPER

1. Acidic buffer consist of:

 
 
 
 

2. The pH of human blood is maintained between:

 
 
 
 

3. The buffer solution is not formed for:

 
 
 
 

4. In the reaction ( H2 + CO2 ↔ H2O + CO ) the decrease in the concentration of CO2 will shift equilibrium:

 
 
 
 

5. At equilibrium the concentration of reactants and product become:

 
 
 
 

6. The effect of temperature on the rate of a reaction is given by:

 
 
 
 

7. In a reversible reaction, catalyst lowers the activation energy of the:

 
 
 
 

8. The rate of reaction:

 
 
 
 

9. 0.5 molar solution NaOH contains:

 
 
 
 

10. The breakdown of a substance with current is:

 
 
 
 

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