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02-11-2016
Chemistry

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why are you instructed to feel the outside of a test tube after 2 chemicals are mixed

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Аноним Аноним

02-11-2016

Because sometimes, depending on the chemicals, you will be able to feel the heat from their chemical reaction.

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02-11-2016

because you need to see if there is a temperature change so that the test tube doesn't break and spill the dangerous chemicals.

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