MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Hazardous Waste Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The most common applications of chemical reduction is reduction of ________ |
| A. | chromium (VI) to chromium (III) |
| B. | chromium (V) to chromium (III) |
| C. | chromium (VI) to chromium (II) |
| D. | chromium (V) to chromium (I) |
| Answer» B. chromium (V) to chromium (III) | |
| 2. |
_________ method is more suitable in removing organic species in waste solution. |
| A. | Hydrolysis process |
| B. | Oxidation reduction |
| C. | Waste analysis |
| D. | Chemical analysis |
| Answer» C. Waste analysis | |
| 3. |
Oxidation avoids harmful side reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Electroplating wastes can be treated from ________ process. |
| A. | Hydrolysis |
| B. | Neutralisation |
| C. | Chemical precipitation |
| D. | Oxidation and reduction |
| Answer» E. | |
| 5. |
Chlorine is a reducing agent. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The process used to destroy toxicity of waste by changing oxidation state is __________ |
| A. | Reduction process |
| B. | Oxidation process |
| C. | Waste analysis |
| D. | Chemical analysis |
| Answer» C. Waste analysis | |
| 7. |
THE_MOST_COMMON_APPLICATIONS_OF_CHEMICAL_REDUCTION_IS_REDUCTION_OF______?$ |
| A. | chromium (VI) to chromium (III) |
| B. | chromium (V) to chromium (III) |
| C. | chromium (VI) to chromium (II) |
| D. | chromium (V) to chromium (I) |
| Answer» B. chromium (V) to chromium (III) | |
| 8. |
_____method is more suitable in removing organic species in waste solution? |
| A. | Hydrolysis process |
| B. | Oxidation reduction |
| C. | Waste analysis |
| D. | Chemical analysis |
| Answer» C. Waste analysis | |
| 9. |
Which among the following is the commonest waste treated by reduction? |
| A. | Sodium hypochlorite |
| B. | Lead |
| C. | Mercury |
| D. | Chromate |
| Answer» E. | |
| 10. |
Oxidation avoids harmful side reactions. True or False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which among the following is cheapest oxidizing reagent? |
| A. | Sodium hypochlorite |
| B. | Lead |
| C. | Mercury |
| D. | Zinc |
| Answer» B. Lead | |
| 12. |
Electroplating wastes can be treated from _____ process. |
| A. | Hydrolysis |
| B. | Neutralisation |
| C. | Chemical precipitation |
| D. | Oxidation and reduction |
| Answer» E. | |
| 13. |
Chlorine is a reducing agent. True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Which of the following solutions can be treated by reduction or oxidation process? |
| A. | Cyanide |
| B. | Lead |
| C. | Mercury |
| D. | Zinc |
| Answer» B. Lead | |
| 15. |
The process used to destroy toxicity of waste by changing oxidation state is _____ |
| A. | Reduction process |
| B. | Oxidation process |
| C. | Waste analysis |
| D. | Chemical analysis |
| Answer» C. Waste analysis | |