Explore topic-wise MCQs in Applied Chemistry.

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
Discussion
2.

Lime soda process does not involve steps.

A. True
B. False
Answer» C.
Discussion
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
Discussion
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
Discussion
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.
Discussion
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.
Discussion
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
Discussion
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
Discussion
9.

Lime soda process does not involve steps.$

A. True
B. False
Answer» C.
Discussion
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
Discussion
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
Discussion
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
Discussion
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
Discussion
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.
Discussion
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
Discussion
16.

Lime soda process removes _________ from the water.

A. Minerals
B. Mineral acids
C. Mineral alkaline
D. Mineral complexes
Answer» C. Mineral alkaline
Discussion
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
Discussion
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
Discussion
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
Discussion
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.
Discussion
21.

The cost of the lime soda process is _________

A. Less
B. High
C. Very high
D. Moderate
Answer» B. High
Discussion