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An Introduction to Chemical Science
lphur, pyrite, chalcopyrite, sph
Separ
2 in 10 cc. H2O add 3 or 4cc. HCl, and look for a ppt. Filter,
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regalsoul
Ingrim Dempster
Yolanda
Chickie Kertis
Hamid Bawdekar
Fairlie Genin
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