MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The enthalpy, internal energy during a process and change in volume are 500 units, 400 units, and 2 units. What is the pressure that is exerted on the gas during this process? |
| A. | 20 units |
| B. | 80 units |
| C. | 100 units |
| D. | 50 units |
| Answer» E. | |
| 2. |
The total heat energy utilized for increasing the temperature by 4 degrees Kelvin in a 3 kgs substance is 100 KJ what is the specific heat capacity of that substance? |
| A. | 8.34 KJ/g-k |
| B. | 8.34 KJ/Kg-k |
| C. | 8.34 KJKg-k |
| D. | 8.34 KJ/Kg |
| Answer» C. 8.34 KJKg-k | |
| 3. |
When 1 kg of water at 373 k, is converted into steam how much amount of heat energy is required? |
| A. | 22600 KJ |
| B. | 226 KJ |
| C. | 2260 KJ |
| D. | 22.6 KJ |
| Answer» D. 22.6 KJ | |
| 4. |
What is the value of specific heat capacity in the adiabatic process? |
| A. | 0 |
| B. | infinity |
| C. | positive |
| D. | negative |
| Answer» B. infinity | |
| 5. |
During the process of conversion of ice into the water, the specific heat capacity is given by _______ |
| A. | 0 |
| B. | positive |
| C. | infinity |
| D. | negative |
| Answer» D. negative | |
| 6. |
“c” the specific heat capacity of a substance is given by temperature difference is given by ΔT and the heat energy is given by Q then what is the mass of the substance? |
| A. | Q/cΔT |
| B. | cΔT /Q |
| C. | QcΔT |
| D. | QΔT |
| Answer» B. cΔT /Q | |
| 7. |
Bomb calorimeter is used to determine ____________ |
| A. | molar heat capacity |
| B. | heat of combustion |
| C. | rate kinetics |
| D. | affinity |
| Answer» C. rate kinetics | |
| 8. |
Heat capacity of a Bomb calorimeter is given by _______ |
| A. | CV |
| B. | CP |
| C. | CM |
| D. | CB |
| Answer» B. CP | |
| 9. |
If an exothermic reaction occurs in a Bomb calorimeter then the temperature of the water bath ________ |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | cannot predict |
| Answer» B. decreases | |
| 10. |
Bomb calorimeter is __________ in nature. |
| A. | isothermal |
| B. | isochoric |
| C. | isobaric |
| D. | absolute |
| Answer» C. isobaric | |