Which reaction products can be disposed of by rinsing them down the drain?

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BlackTom AI · Accepted Answer

To begin, we must consider the general rule in laboratories: disposing of reaction products down the drain is only appropriate if the materials are known to be safe, nonhazardous, and compatible with the sewer system. 
Option 1: copper filtrate. Although copper compounds may seem benign, copper ions and certain copper-containing filtrates can be harmful to aquatic life and can contribute to metal contamination in water treatment plants. Without explicit confirmation that the filtrate is water-compatible and low-risk, this should not be drained.
Option 2: copper metal. Copper metal is a solid waste that should not be flushed or rinsed down the drain; metals can accumulate in plumbing, contribute to blockages, and pose environmental hazards. Reclaiming or disposing as solid waste according to procedure is preferred.
Option 3: none of the listed things. This choice asserts that none of the presented materials are suitable for drain disposal, which aligns with standard lab safety practices when no explicit, approved disposal pathway is provided for every material. It implies that special handling is required for each item listed.
Option 4: decanted liquid from last step. Decanted liquids often contain concentrated reagents, byproducts, or dissolved metals; unless the procedure explicitly states that the liquid is safe for drain disposal, pouring it down the drain risks introducing reactive or toxic substances into the wastewater system.
In summary, each option raises concerns about environmental impact, regulatory guidelines, or equipment compatibility. Therefore, without explicit approval for drain disposal for any of the items, the prudent choice is to avoid rinsing any of them down the drain based on typical lab safety protocols.

CHEM 105-A09C Prelab 6 Copper

Which reaction products can be disposed of by rinsing them down the drain?

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CHEM 105-A09C Prelab 6 Copper

Which reaction products can be disposed of by rinsing them down the drain?

View Explanation

Log in for full answers

Similar Questions

Which of the following guidelines for handling waste are given in the text?

Which of the following chemicals should never be disposed of in the sink?

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实验室内应处理的化学品在实验室废弃化学品时，