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NT.2

Analisar e producir materias

 

 

 Cumpetenza precedenta: NUS.3.4

2

Las scolaras ed ils scolars san separar sistematicamain substanzas sin basa da lur caracteristicas.

renviaments

Chemia, tecnica: proceduras da separaziun

NT.2.2

Las scolaras ed ils scolars ...

3

a

  • san nominar substanzas sin basa da lur cumposiziun ed ordinar tenor princips specifics da las scienzas natiralas. ​substanza pura/maschaida, geners da maschaidas, metal/nunmetal, element/cumposiziun

b

  • san separar tenor instrucziun maschaidas simplas cun metodas prescrittas e descriver il process a moda specificamain correcta. ​extracziun, cromatografia, destillaziun

c

  • san identifitgar proceduras da separaziun en il mintgadi e tar products dal mintgadi (p.ex. far té u café, far laschiva, serenera, zavrader d'ieli, zavrader magnetic).
orientierungspunkt