When performing a lab you have chemicals left over and unused. What should you do with the unused chemicals? A) Return the chemicals to the original stock bottles. B) Flush the chemicals down the sink with lots of water. C) Ask your instructor where and how to dispose of the chemical. D) Dispose of the chemicals in the trash, do not return them to their original bottles.

CIs the correct answer I believe, unless you want to flush the chemicals down the sink and then have a reaction with them the next time you go swimming in a lake and find them there.

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azikennamdi azikennamdi · Answer 2 · 2021-08-13T19:40:07-04:00

The correct answer is A: Leftover and unused chemicals should be returned back to their original bottles.

As part of safety protocols in the laboratory, chemicals can be hazardous even during experiments or research let alone when left carelessly.

Since they can be harmful to the environment and to humans, chemicals ought to be disposed of properly.

The Environmental Health and Safety (EHS) Office requires that chemicals be stored in preferably plastic bottles rather than glass bottles as long as the chemical will not react to the container.
The containers must also be labeled according to the EHS standards.

Learn more about the disposal of leftover unused chemicals here:

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