MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In hot lime soda process, the bacteria in water is reduced to the minimum due to the _________ |
| A. | High temperature |
| B. | Faster reactions |
| C. | Slow reactions |
| D. | Low temperature |
| Answer» B. Faster reactions | |
| 2. |
Lime soda process does not involve steps. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Due to heating at high temperature in the hot lime soda process reduces the __________ |
| A. | Time for treating |
| B. | Energy |
| C. | Corrosion of boiler |
| D. | Cost |
| Answer» D. Cost | |
| 4. |
The final hardness of the water after treating by the hot lime soda process is about __________ |
| A. | 10-15ppm |
| B. | 15-20ppm |
| C. | 20-25ppm |
| D. | 25-30ppm |
| Answer» D. 25-30ppm | |
| 5. |
The amount of coagulate if added in the hot lime soda process is __________ |
| A. | High |
| B. | Low |
| C. | Very high |
| D. | Very low |
| Answer» E. | |
| 6. |
___________ can be used for the turbid water. |
| A. | Soap titration process |
| B. | Zeolite process |
| C. | Ion exchange process |
| D. | Lime soda process |
| Answer» E. | |
| 7. |
DUE_TO_HEATING_AT_HIGH_TEMPERATURE_IN_THE_HOT_LIME_SODA_PROCESS_REDUCES_THE___________?$ |
| A. | Time for treating |
| B. | Energy |
| C. | Corrosion of boiler |
| D. | Cost |
| Answer» D. Cost | |
| 8. |
THE_FINAL_HARDNESS_OF_THE_WATER_AFTER_TREATING_BY_THE_HOT_LIME_SODA_PROCESS_IS_ABOUT___________?$ |
| A. | 10-15ppm |
| B. | 15-20ppm |
| C. | 20-25ppm |
| D. | 25-30ppm |
| Answer» D. 25-30ppm | |
| 9. |
Lime soda process does not involve steps.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In lime soda process, the change in the hardness of the water needs ________ |
| A. | Change in dose of lime |
| B. | Change in dose of soda |
| C. | Change in dose of lime and soda |
| D. | Change in dose either lime or soda |
| Answer» D. Change in dose either lime or soda | |
| 11. |
Reagent used in the lime soda process is _______ |
| A. | Regenerated |
| B. | Not regenerated |
| C. | Regenerated depending on the hardness |
| D. | Regenerated some times |
| Answer» C. Regenerated depending on the hardness | |
| 12. |
In batch process, when the tank gets filled then it indicates that ____________ |
| A. | To stir more |
| B. | Softening is completed |
| C. | To add the catalyst |
| D. | To add the lime |
| Answer» C. To add the catalyst | |
| 13. |
In_hot_lime_soda_process,_the_bacteria_in_water_is_reduced_to_the_minimum_due_to_the__________ |
| A. | High temperature |
| B. | Faster reactions |
| C. | Slow reactions |
| D. | Low temperature |
| Answer» B. Faster reactions | |
| 14. |
The amount of coagulate if added in the hot lime soda process is _________? |
| A. | High |
| B. | Low |
| C. | Very high |
| D. | Very low |
| Answer» E. | |
| 15. |
Batch process is only used for removing the hardness of the water on _________ |
| A. | Small scale |
| B. | Large scale |
| C. | Industrial purposes |
| D. | Irrigation purposes |
| Answer» B. Large scale | |
| 16. |
Lime soda process removes _________ from the water. |
| A. | Minerals |
| B. | Mineral acids |
| C. | Mineral alkaline |
| D. | Mineral complexes |
| Answer» C. Mineral alkaline | |
| 17. |
For avoiding the reduction of the residual hardness, incomplete precipitation and slow reaction, The reaction is carried out at __________ temperature. |
| A. | 30-40<sup>o</sup>C |
| B. | 40-50<sup>o</sup>C |
| C. | 50-60<sup>o</sup>C |
| D. | 60-70<sup>o</sup>C |
| Answer» D. 60-70<sup>o</sup>C | |
| 18. |
Total dissolved solids in the lime soda process is _________ |
| A. | Reduced |
| B. | Not reduced |
| C. | Remains same |
| D. | Slightly reduced |
| Answer» B. Not reduced | |
| 19. |
Hardness of the water in the lime soda process is reduced to __________ |
| A. | 10-15ppm |
| B. | 15-30ppm |
| C. | 30-35ppm |
| D. | 35-40ppm |
| Answer» C. 30-35ppm | |
| 20. |
___________can be used for the turbid water. |
| A. | Soap titration process |
| B. | Zeolite process |
| C. | Ion exchange process |
| D. | Lime soda process |
| Answer» E. | |
| 21. |
The cost of the lime soda process is _________ |
| A. | Less |
| B. | High |
| C. | Very high |
| D. | Moderate |
| Answer» B. High | |