stitch31902
stitch31902
20-02-2016
Chemistry
contestada
are coins acompound or mixture
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Hopie9115
Hopie9115
20-02-2016
coins are a compound made 90% copper and 10% tin
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Emmacda
Emmacda
20-02-2016
Coins are a compound because you cant separate the substances that form it (copper and tin)
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