| 1 |
When the magnitude of Kc is very small in indicates. |
- A. Equilibrium will never establish
- B. All reactants will converted to products.
- C. Reaction will go to completion
- D. The amount of products is negligible
|
| 2 |
The plant use |
- A. Carbon di oxide
- B. Oxygen
- C. Nitrogen
- D. Sulphur
|
| 3 |
For reactions having large Kc value, the reaction proceeds to: |
- A. Completion
- B. Equilibrium state
- C. back ward
- D. None of these
|
| 4 |
The lives of aquatic plants and animals are indirectly related to concentration of dissolved ------ in water: |
- A. hydrogen
- B. oxygen
- C. chlorine
- D. nitrogen
|
| 5 |
In an irreversible reaction dynamic equilibrium: |
- A. Never establishes
- B. Established before the completion of reaction
- C. Establishes after the completion of reaction
- D. Establishes readily
|
| 6 |
In chemical reaction , the substances that combine are called. |
- A. Reactants
- B. Products
- C. Equlibrium
- D. Numerator
|
| 7 |
If Qc = Kc the reaction goes in: |
- A. Forward
- B. Reverse
- C. At equilibrium state
- D. None
|
| 8 |
At equilibrium state there are possibilities: OR types of chemical equilibrium are. |
|
| 9 |
The reaction in which the products can recombine to form reactants are called. |
- A. Reversible reaction
- B. Irreversible reaction
- C. Decomposition
- D. Addition
|
| 10 |
The substance formed during the chemical reaction are called. |
- A. Products
- B. Reactants
- C. Radical
- D. Element
|
