| 1 |
The substance formed during the chemical reaction are called. |
- A. Products
- B. Reactants
- C. Radical
- D. Element
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| 2 |
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
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| 3 |
At dynamic equilibrium: |
- A. The reactions stops to proceed
- B. The amounts of reactants and products are equal
- C. The speed of the forward is reverse reactions are equal
- D. The reaction can no longer be reversed
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| 4 |
The characteristics of reversible reactions are the following except: |
- A. Products never recombine to form reactants.
- B. They never complete
- C. The proced in both ways
- D. They have a double arrow between reactants and products.
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| 5 |
For which reaction Kf is the rate constant? |
- A. Forward reaction
- B. Backward reaction
- C. Upward reaction
- D. Downward reaction
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| 6 |
The % age of nitrogen and oxygen in our atmosphere is: |
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| 7 |
The reaction goes from left to right , if: |
- A. Qc = Kc
- B. Qc > kc
- C. Qc<Kc
- D. Qc = 0
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| 8 |
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>
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| 9 |
The reaction will attain the equilibrium if: |
- A. Qc<Kc
- B. Qc > Kc
- C. Qc = Kc
- D. Qc = 0
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| 10 |
In a Reversible Reaction if Qc = Kc then. |
- A. Reaction is occuring in forward direction
- B. Reaction is occuring in Reverse direction
- C. Equilibrium has been allained
- D. Reaction is not at equilibrium
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