| 1 |
Active mass is expressed as: |
- A. { }
- B. [ ]
- C. ( )
- D. l l
|
| 2 |
A complete reaction is one is which. |
- A. All the reactants convert into products.
- B. All the reactants do not convert into products.
- C. Half reactants convert into products.
- D. Only 10% reactants convert into products.
|
| 3 |
In irreversible reaction, dynamic equilibrium: |
- A. Never establishes
- B. Establishes before the completion of reaction
- C. Establishes after the completion of reaction
- D. Establishes readily
|
| 4 |
At dynamic equilibrium state: |
- A. Rate of forward reaction≠ Rate of reverse reaction
- B. Rate of forward reaction > Rate of reverse reaction
- C. Rate of forward reaction = Rate of reverse reaction
- D. Rate of forward reaction < rate of reverse reaction
|
| 5 |
The reactions in which products can recombine to form reactants is called. |
- A. Irreversible reactions
- B. Reversible reactions
- C. Direct reactions
- D. Indirect reactions
|
| 6 |
The substance formed during the chemical reaction are called. |
- A. Products
- B. Reactants
- C. Radical
- D. Element
|
| 7 |
The reaction will attain the equilibrium if: |
- A. Qc<Kc
- B. Qc > Kc
- C. Qc = Kc
- D. Qc = 0
|
| 8 |
Such reaction which can be made proceed in either direction depending upon the condition: |
- A. simple reaction
- B. reversible reaction
- C. irreversible reaction
- D. chain reaction
|
| 9 |
Which chemical is called king of chemicals? |
- A. KNO<sub>3</sub>
- B. H<sub>2</sub>SO<sub>4</sub>
- C. HCl
- D. NHO<sub>3</sub>
|
| 10 |
Which type of reactions do not go to completion? |
- A. Irreversible reaction
- B. Reversible reactions
- C. Addition reactions
- D. Decomposition reactions
|