1 |
The % age of nitrogen and oxygen in our atmosphere is: |
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2 |
Guldberg and waage put forward law of mass action in: |
- A. 1860
- B. 1869
- C. 1870
- D. 1879
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3 |
Reactions which have comparable amounts of reactants and products at equilibrium state have: |
- A. very small Kc value
- B. Very large Kc value
- C. Moderate Kc value
- D. None of these
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4 |
The reaction in which the number of moles reactants and products not equal in balance chemical equation the units of Kc for this reactions are |
- A. mol<sup>-2</sup>
- B. dm<sup>3</sup>
- C. mol<sup>2</sup>
- D. mol dm<sup>-1</sup>
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5 |
Active mass is expressed as: |
- A. { }
- B. [ ]
- C. ( )
- D. l l
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6 |
At equilibrium state, when reaction cases to proceed, it is called: |
- A. equilibrium constant
- B. dynamic equilibrium
- C. static equilibrium
- D. simple equilibrium
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7 |
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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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 |
Reaction which have comparable amount of reactants and products at equilibrium state have. |
- A. Very small Kc value
- B. Very large Kc value
- C. Moderate Kc value
- D. None of these
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10 |
Such reactions which continue in both directions are called. |
- A. Irreversible
- B. Reversible
- C. Nonreactive
- D. Dynamic
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