Equilibrium state is achieved quickly by the addition of ________________?

Related Mcqs:

1. Which of these gases diffuse more quickly than oxygen ?

   A. H2S
   B. NO
   C. Cl2
   D. N2O

2. Chemical equilibrium state is_______________?

   A. dynamic state
   B. static state
   C. free state
   D. unidirectional state

3. By the addition of base in waterpH will be_______________?

   A. more than 7
   B. less than 7
   C. equal to 7
   D. no effect

4. Addition of CH3COOH and CH3COONa gives in water_______________?

   A. Standard solution
   B. buffer solution
   C. acidic buffer solution
   D. both B & C

5. Addition of urea to the soil is ____________ reaction?

   A. endothermic
   B. exothermic
   C. both a and b
   D. no heat energy is involved

6. The addition of a catalyst to the reaction system__________________?

   A. Increases the rate of forward reaction only
   B. Increases the rate of reverse reaction
   C. Increases the rate of forward but decreases the rate of backward reaction
   D. Increases the rate of forward as well as backward reaction equally

7. Addition of 2nd electron to a uni negative ion is always____________________?

   A. Exothermic
   B. Endothermic
   C. Data is insufficient
   D. Unpredictable

8. Which of the following will not give addition reaction with NaHSO3________________?

   A. HCHO
   B. CH3CHO
   C. CH3-CH2-CHO
   D. None of the above

9. Ncleophilic addition reactions are catalysed__________________?

   A. Acid
   B. Base
   C. Both A and B
   D. None

10. Addition of 2% gypsum in cement________________?

    A. Triggers hydration
    B. Triggers hydrolysis
    C. Prevents rapid hardening
    D. all of the above