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Asked by eve44743 to Charlotte, Colin, Becki, Rick on 27 Jun 2013.
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Charlotte Dalton answered on 27 Jun 2013:
when experiments go wrong! in chemistry sometimes a chemical reaction just doesn’t work and it is hard to know why, but you have to keep trying it differently to get it to work 🙂
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Rebecca Scott answered on 27 Jun 2013:
When your machine breaks just when you need to do an experiment, and then you get a back-log of work…
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