Hazardous Waste Management Mock Test 6

10%

Question 1 of 10

1. Chemical precipitation is used in conjunction with neutralisation.

False

True

Question 1 of 10

Question 2 of 10

2. Ion exchange is widely used to remove _________

Minerals

Heavy metals

Salts

Toxic heavy metals

Question 2 of 10

Question 3 of 10

3. The most common applications of chemical reduction is reduction of ________

chromium (V) to chromium (I)

chromium (VI) to chromium (II)

chromium (V) to chromium (III)

chromium (VI) to chromium (III)

Question 3 of 10

Question 4 of 10

4. Hazardous waste tracking system is regulated by ________

CERCLA and EPA

EPA and DOT

RCRA and CERCLA

NPL and RCRA

Question 4 of 10

Question 5 of 10

5. Higher loading level increase BOD removal efficiency.

False

True

Question 5 of 10

Question 6 of 10

6. Electroplating wastes can be treated from ________ process.

Neutralisation

Chemical precipitation

Oxidation and reduction

Hydrolysis

Question 6 of 10

Question 7 of 10

7. ________ tracks the status of every state with respect to changes made to the federal regulations of HW.

SbPTS

NPL

SuTSP

StATS

Question 7 of 10

Question 8 of 10

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

Alkali

Chemical

Salt

Question 8 of 10

Question 9 of 10

9. Which of the following solutions can be treated by reduction or oxidation process?

Zinc

Cyanide

Lead

Mercury

Question 9 of 10

Question 10 of 10

10. __________ is the contaminant that adheres to the sorbing material.

Adsorbent

Sorbate

Sorbent

Sorption

Question 10 of 10