MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The exhausted anion exchangers can be regenerated by working with __________ |
| A. | Acid solution |
| B. | Alcohol solution |
| C. | Alkali solution |
| D. | Water |
| Answer» D. Water | |
| 2. |
Potable water treatment does not involve __________ |
| A. | Disinfection |
| B. | Demineralisation |
| C. | Coagulation |
| D. | Sedimentation |
| Answer» C. Coagulation | |
| 3. |
External treatment is a preventive method and it is required in high pressure boilers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The external treatment of water does not include __________ |
| A. | Lime-soda process |
| B. | Sequestration |
| C. | Zeolites |
| D. | Ion-exchange process |
| Answer» C. Zeolites | |
| 5. |
The process of removal of hardness of water, irrespective of whether it is temporary or permanent is termed as __________ |
| A. | Cleansing action of water |
| B. | Hardness of water |
| C. | Softening of water |
| D. | Purity of water |
| Answer» D. Purity of water | |
| 6. |
According to the selection rules, the decreasing order of preference is __________ |
| A. | NH<sub>2</sub> > -C<sub>6</sub>H<sub>5</sub> > -CH(CH<sub>3</sub>)<sup>2</sup> > -H |
| B. | CH(CH<sub>3</sub>)<sup>2</sup> > -C<sub>6</sub>H<sub>5</sub> > -H> -NH<sub>2</sub> |
| C. | NH<sub>2</sub> > -CH(CH<sub>3</sub>)<sup>2</sup> > -C<sub>6</sub>H<sub>5</sub> > -H |
| D. | -C<sub>6</sub>H<sub>5</sub> > -CH(CH<sub>3</sub>)<sup>2</sup> > NH<sub>2</sub> > -H |
| Answer» B. CH(CH<sub>3</sub>)<sup>2</sup> > -C<sub>6</sub>H<sub>5</sub> > -H> -NH<sub>2</sub> | |
| 7. |
If our eyes travel in counter clockwise direction from the ligand of highest priority to the ligand of lowest priority, the configuration is ____________ |
| A. | R-Configuration |
| B. | S-Configuration |
| C. | E-Configuration |
| D. | C-Configuration |
| Answer» C. E-Configuration | |