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birchburch

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birchburch

Laundry Detergents

What's the difference between a liquid laundry detergent and a solid laundry detergent?
14:50 Mon 23rd Oct 20061 answer, last by pingu748 15:34 Mon 23rd Oct 2006
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birchburch

Chemistry on flame colors

can someone further explain to me why and how flames change their color? we did this experiment wherein a cotton ball was soaked with ethanol and a particular solution, and for every cotton ball, a...
14:23 Sun 24th Sep 20062 answers, last by jake-the-peg 09:50 Mon 25th Sep 2006

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