MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Heat of solution of a mixture is 10 J, what is the heat dissolution? |
| A. | t-10 J |
| B. | t10 J |
| C. | t0 |
| D. | tCannot be determined |
| Answer» B. t10 J | |
| 2. |
What is the heat evolved when a liquid solute is mixed with liquid solvent? |
| A. | tHeat of solution |
| B. | tHeat of mixing |
| C. | tHeat of dissolution |
| D. | tAll of the mentioned |
| Answer» C. tHeat of dissolution | |
| 3. |
What is the heat evolved when a gaseous solute is mixed with liquid solvent? |
| A. | tHeat of solution |
| B. | tHeat of mixing |
| C. | tHeat of dissolution |
| D. | tAll of the mentioned |
| Answer» B. tHeat of mixing | |
| 4. |
What is the enthalpy change of 8 mole solution if the enthalpy change of 5 mole solute is 10 J/mole, and enthalpy of 2 mole solvent is 15 J/mole? |
| A. | t10 J/mole |
| B. | t12 J/mole |
| C. | t13 J/mole |
| D. | t15 J/mole |
| Answer» B. t12 J/mole | |
| 5. |
What is the enthalpy change of solution if the enthalpy change of solute is 10 J, and enthalpy of solvent is 15 J? |
| A. | t10 J |
| B. | t15 J |
| C. | t25 J |
| D. | t40 J |
| Answer» D. t40 J | |
| 6. |
What is the enthalpy of a mixture having 10% of A with enthalpy 10 J, 30% of B with enthalpy 30 J, and 60% of C with enthalpy 25 J? |
| A. | t21 J |
| B. | t25 J |
| C. | t27 J |
| D. | t28 J |
| Answer» C. t27 J | |
| 7. |
What is the enthalpy of a mixture having 20% of A with enthalpy 20 J, 30% of B with enthalpy 40 J, and 50% of C with enthalpy 20 J? |
| A. | t26 J |
| B. | t29 J |
| C. | t31 J |
| D. | t34 J |
| Answer» B. t29 J | |
| 8. |
What is the enthalpy of a mixture having 40% of A with enthalpy 50 J, and 60% of B with enthalpy 25 J? |
| A. | t30 J |
| B. | t35 J |
| C. | t40 J |
| D. | t45 J |
| Answer» C. t40 J | |
| 9. |
What is the enthalpy of a mixture having 20% of A with enthalpy 15 J, and 80% of B with enthalpy 25 J? |
| A. | t17 J |
| B. | t19 J |
| C. | t23 J |
| D. | t28 J |
| Answer» D. t28 J | |
| 10. |
What is the enthalpy of a mixture having 10% of A with enthalpy 10 J, and 90% of B with enthalpy 20 J? |
| A. | t10 J |
| B. | t15 J |
| C. | t18 J |
| D. | t19 J |
| Answer» E. | |
| 11. |
A mixture contains 30% of A with Heat Capacity 10 J/oC, 30% of B with Heat Capacity 20 J/oC, and 40% of C with Heat Capacity 35 J/oC, what is the Heat Capacity of mixture? |
| A. | t14 J/<sup>o</sup>C |
| B. | t17 J/<sup>o</sup>C |
| C. | t19 J/<sup>o</sup>C |
| D. | t23 J/<sup>o</sup>C |
| Answer» E. | |
| 12. |
A mixture contains 20% of A with Heat Capacity 25 J/oC, 30% of B with Heat Capacity 20 J/oC, and 50% of C with Heat Capacity 10 J/oC, what is the Heat Capacity of mixture? |
| A. | t10 J/<sup>o</sup>C |
| B. | t14 J/<sup>o</sup>C |
| C. | t16 J/<sup>o</sup>C |
| D. | t20 J/<sup>o</sup>C |
| Answer» D. t20 J/<sup>o</sup>C | |
| 13. |
A mixture contains 50% of A with Heat Capacity 10 J/oC and 50% of B with Heat Capacity 20 J/oC, what is the Heat Capacity of mixture? |
| A. | t12 J/<sup>o</sup>C |
| B. | t15 J/<sup>o</sup>C |
| C. | t17 J/<sup>o</sup>C |
| D. | t18 J/<sup>o</sup>C |
| Answer» C. t17 J/<sup>o</sup>C | |
| 14. |
A mixture contains 40% of A with Heat Capacity 15 J/oC and 60% of B with Heat Capacity 10 J/oC, what is the Heat Capacity of mixture? |
| A. | t11 J/<sup>o</sup>C |
| B. | t12 J/<sup>o</sup>C |
| C. | t13 J/<sup>o</sup>C |
| D. | t14 J/<sup>o</sup>C |
| Answer» C. t13 J/<sup>o</sup>C | |
| 15. |
A mixture contains 20% of A with Heat Capacity 10 J/oC and 80% of B with Heat Capacity 5 J/oC, what is the Heat Capacity of mixture? |
| A. | t6 J/<sup>o</sup>C |
| B. | t7 J/<sup>o</sup>C |
| C. | t8 J/<sup>o</sup>C |
| D. | t9 J/<sup>o</sup>C |
| Answer» B. t7 J/<sup>o</sup>C | |