danielacervantes danielacervantes

24-08-2017
Chemistry

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what do you do with unused (excess) chemicals that are taken from reagent bottles?

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smartie51 smartie51

24-08-2017

Don't ever return unused chemicals to their original containers. If you do, you could be contaminating the chemical. Discard the leftover chemical in the correct waste box. Ask your teacher if your not sure about what to do.

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