
Metode de separare a amestecurilor
Authored by Aurelia Grigoriță
Chemistry
6th - 8th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sub ce formă se găsesc substanțele în natură?
Mai des în stare pură
În general sub formă de amestecuri.
Combinat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce fel de amestec putem obține din apă și nisip?
Emulsie
Amestec omogen
Amestec eterogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce observăm la amestecarea uleiului cu apa?
Uleiul se dizolvă în apă
Uleiul și apa sun două lichide nemiscibile
Nu se observă nimic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Decantarea este:
Metodă de separare a componenților unui amestec eterogen.
Metodă de separare a componenților unui amestec omogen.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care amestecuri pot fi separate prin filtrare?
apă și sulf
apă și nisip
apă și ulei
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