METODE DE SEPARARE ALE AMESTECURILOR
Authored by Madelaine B
Chemistry
7th Grade
Used 24+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Recristalizarea este o metoda de separare a substantelor...
omogene
eterogene
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
...este procesul de separare care presupune
trecere a unui amestec lichid în stare
de vapori prin fierbere, urmată
de condensarea vaporilor obținuți.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cate tipuri de amestecuri eterogene exista?
1
2
4
5
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Substanta pura este alcatuita din atomi, molecule sau ioni de la substante diferite.
adevarat
fals
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Putem separa mereu substantele dintr-un amestec cu ajutorul magnetului.
fals
adevarat
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Filtrarea este folosita pentru separarea substantelor eterogene.
fals
adevarat
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Amestecul de apa si zahar este...
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