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This section includes 10 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 process of neutralizing waste as listed in WAC 173-303-090 is known as ____________ |
A. | Elementary neutralization |
B. | Chemical neutralization |
C. | Physical neutralization |
D. | Biological neutralization |
Answer» B. Chemical neutralization | |
2. |
Personal protective equipment should be worn while neutralising corrosive hazardous waste. |
A. | True |
B. | False |
Answer» B. False | |
3. |
Neutralisation adjusts pH level of corrosive between ____ and ____ |
A. | 5, 9 |
B. | 5.5, 9.5 |
C. | 6, 7 |
D. | 7, 8 |
Answer» C. 6, 7 | |
4. |
Neutralisation process is extensively applied for ________ hazardous waste. |
A. | Reactive |
B. | Neutral |
C. | Corrosive |
D. | Chemical |
Answer» D. Chemical | |
5. |
Dissolved salts of hazardous metal wastes can be treated by neutralisation. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Common reagents for neutralising alkaline wastes are ________ |
A. | Sulphuric and HCl |
B. | Lime and sodium hydroxide |
C. | Lime and zinc |
D. | Lead |
Answer» B. Lime and sodium hydroxide | |
7. |
Common reagents for neutralising acid wastes are __________ |
A. | Sodium |
B. | Lime and sodium hydroxide |
C. | Lime and zinc |
D. | Lead |
Answer» C. Lime and zinc | |
8. |
Complete the equation.
|
A. | Salt |
B. | Chemical |
C. | Alkali |
D. | pH |
Answer» B. Chemical | |
9. |
Neutralisation involves addition of _________ substances with the waste. |
A. | Hydraulic |
B. | Chemical |
C. | Physical |
D. | Biological |
Answer» C. Physical | |
10. |
Suitable method for treating acidic or basic hazardous waste is _________ |
A. | Neutralisation |
B. | Precipitation |
C. | Hydrolysis |
D. | Electrolysis |
Answer» B. Precipitation | |