SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dilution removes the toxic materials in liquid wastes.
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Diluting a liquid until it is clear and colorless means that the liquid is safe for disposal in local sewers.
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Dilution lowers the concentration of toxic materials in liquid wastes.
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All of the above.
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Detailed explanation-1: -Incineration or other treatment There are a variety of ways to treat hazardous waste: Chemical treatment – e.g., neutralization, precipitation, ion exchange, reduction, or oxidation; Thermal treatment – e.g., incineration; Biological treatment – e.g., landfarming; and.
Detailed explanation-2: -Hazardous waste can be treated by chemical, thermal, biological, and physical methods. Chemical methods include ion exchange, precipitation, oxidation and reduction, and neutralization. Among thermal methods is high-temperature incineration, which not only can detoxify certain organic wastes but also can destroy them.
Detailed explanation-3: -So the correct order is Prevention-Reuse-Recycle-Disposal.
Detailed explanation-4: -Treatment and Disposal Prior to disposal, treatment can help reduce the volume and toxicity of waste. Treatments can be physical (e.g., shredding), chemical (e.g., incineration), and biological (e.g., anaerobic digestor).