| 1 |
All radio active disintegration nuclear reaction are of. |
- A. First order
- B. Zero order
- C. 2nd order
- D. Third order
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| 2 |
Which properties of liquid is measured by polarimeter |
- A. Conductance
- B. Refractive index
- C. Optical activity
- D. Change in volume
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| 3 |
The substance which decrease the activity of a catalyst is called. |
- A. Promoter
- B. Activator
- C. Inhibitor
- D. Positive catalyst
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| 4 |
With increases of 10 oC temperature the rate of reaction doubles. This increase in rate of reactions is due to. |
- A. Decrease in activation energy of reaction
- B. Decrease in the number of collisions between reactant molecules
- C. Increase in activation energy of reactants
- D. Increase in number of effective collisions
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| 5 |
In zero order reaction, the rate is independent of. |
- A. Temperature of reaction
- B. Concentration of reactants
- C. concentration of products
- D. None of these
|
| 6 |
The unit of rate constant is same as that of rate of reaction in |
- A. first order reaction
- B. Second order reaction
- C. Third order reaction
- D. Zero order reaction
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| 7 |
The rate of reaction |
- A. Increases as the reaction proceeds
- B. Decreases as the reaction proceeds
- C. Remains the same as the reaction proceeds
- D. May decrease or increase as the reaction proceeds
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| 8 |
The unit of the rate constant is the same as that of the rate of reaction in |
- A. First order reaction
- B. Second order reaction
- C. Zero order reaction
- D. Third order reaction
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| 9 |
In zero order reaction the rate is independent of. |
- A. Temperature of reaction
- B. Concentration of reactants
- C. Concentration of products
- D. None of these
|
| 10 |
|
- A. 1
- B. 2
- C. 3
- D. None of these
|