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prin ce metode putem separa apa+alcool+nisipul b)apa+ulei c)nisip+naftalina d)apa+praf de carbune+alcol (dintre metodele:distilarea,extractia si sublimarea)
VA ROG URGENT


Răspuns :

apa+alcool+nisip = extractie
apa+ulei = distilare
naftalina + nisip = sublimare
apa+praf de carbune+alcool = extractie