
Metode de separare
Authored by Mindru Alina
Chemistry
7th Grade
Used 6+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Apa cu uleiul dintr-un pahar formeaza:
un amestec omogen
un amestec eterogen
sunt substante pure
nu formeaza nimic
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Pentru separarea unui amestec eterogen solid-lichid, cu solidul avand densitatea mai mica decat a lichidului, se foloseste:
cristalizarea
decantarea
filtrarea
distilarea
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Putem separa prin distilare amestecul:
apa si alcool
apa si nisip
apa si sulf
apa si sare
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Decantarea este
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amestecul apa,sulf,sare si pietris se separa prin:
filtrare - distilare - cristalizare
decantare - cristalizare - filtrare
cristalizare - distilare - decantare
decantare - filtrare - cristalizare
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Amestecul apa si ulei se separa prin:
decantare
cristalizare
filtrare
palnia de separare
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Amestecul apa, pulbere de carbune, nisip, alcool si sare se poate separa prin:
(a)
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