( ( ( Lead corrodes ) ( with ( ( acids and ) forms ) ) ) ( ( ( oxides , ) ( ( when heated ) ( they ( turn ( from ( ( ( ( white ( to yellow ) ) , ) ( to orange ) ) ( and ( then red ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Lead) (NNS corrodes)) (PP (IN with) (NP (NNS acids) (CC and) (NNS forms)))) (VP (VBZ oxides) (, ,) (SBAR (WHADVP (WRB when) (ADJP (JJ heated))) (S (NP (PRP they)) (VP (VBP turn) (PP (IN from) (UCP (ADJP (JJ white) (PP (TO to) (ADJP (JJ yellow))) (, ,) (PP (TO to) (NP (NN orange)))) (CC and) (ADVP (RB then)) (ADJP (JJ red)))))))) (. .)))
Lead corrodes with acids and forms oxides, when heated they turn from white to yellow, to orange and then red.
(ROOT (S (NP (JJ Lead) (NN sulfate)) (VP (VBZ is) (NP (NP (DT the) (JJ white) (JJ solid)) (SBAR (WHNP (WDT that)) (S (VP (VBZ forms) (PP (IN on) (NP (JJ corroded) (NN battery) (NNS terminals)))))))) (. .)))