Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject 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
Discussion
2.

Personal protective equipment should be worn while neutralising corrosive hazardous waste.

A. True
B. False
Answer» B. False
Discussion
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
Discussion
4.

Neutralisation process is extensively applied for ________ hazardous waste.

A. Reactive
B. Neutral
C. Corrosive
D. Chemical
Answer» D. Chemical
Discussion
5.

Dissolved salts of hazardous metal wastes can be treated by neutralisation.

A. True
B. False
Answer» B. False
Discussion
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
Discussion
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
Discussion
8.

Complete the equation.Acid + Base = __________ + water.

A. Salt
B. Chemical
C. Alkali
D. pH
Answer» B. Chemical
Discussion
9.

Neutralisation involves addition of _________ substances with the waste.

A. Hydraulic
B. Chemical
C. Physical
D. Biological
Answer» C. Physical
Discussion
10.

Suitable method for treating acidic or basic hazardous waste is _________

A. Neutralisation
B. Precipitation
C. Hydrolysis
D. Electrolysis
Answer» B. Precipitation
Discussion
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