Minereuri (prioritatea 1)

Front

arama

Back

Cu

Front

pucioasa, inammicul cuprului

Back

S; cristale sau pudra amorfa galbena

Front

cositor

Back

Sn

Front

var nestins

Back

CaO

Front

magnetita

Back

oxid feroferic Fe3O4

(Feo.Fe2O3)

Front

perhidrol

Back

sol. apa oxigenata H2O2

Front

miniu de plumb

Back

oxid dublu de plumb (II, IV) Pb3O4 (2PbO.PbO2); portocaliu-rosiatic f intens

Front

var stins, apa de var, lapte de var

Back

Ca(OH)2

Front

rugina

Back

oxihidroxid feric FeO(OH)

Front

potasa caustica

Back

KOH