MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What happens to a reaction when reaction quotient is equal to the equilibrium constant? |
| A. | Forward reaction |
| B. | Equilibrium |
| C. | Reverse reaction |
| D. | No change |
| Answer» D. No change | |
| 2. |
What is chemical equilibrium? |
| A. | Change in temperature spontaneously |
| B. | No change in chemical composition spontaneously |
| C. | Change in pressure |
| D. | Equilibrium between mole fractions |
| Answer» C. Change in pressure | |
| 3. |
What is Dalton s law? |
| A. | Total temperature is equal to sum of partial temperatures |
| B. | Total entropy is equal to sum of partial entropies |
| C. | Total pressure is equal to sum of partial pressures |
| D. | Total number of moles is equal to sum of mole fractions |
| Answer» D. Total number of moles is equal to sum of mole fractions | |
| 4. |
Which of these methods is not used in describing the composition of air which is at a chemical equilibrium? |
| A. | Partial pressure |
| B. | Partial temperature |
| C. | Mass fraction |
| D. | Mole mass ratio |
| Answer» C. Mass fraction | |
| 5. |
At high temperature, there s presence of only oxygen and nitrogen molecules in the air. |
| A. | True |
| B. | False |
| Answer» C. | |