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Presentations12 Physics, Geography, Chemistry
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Ķīmiski inerts (neaktīvs) metāls. Reaģēt spēj sasmalcināts zelts, kas atrodas paaugstinātā temperatūrā. …
Prezentācija par tēmu zelts. Fizikālās un ķīmiskās īpašības, iegūšana, izmantošana, plus vēl pāris izneresntas lietas par zeltu. Daudz attēlu, dotas arī vairākas reakcijas.
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