
Lucrare de verificare
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
fagarasan mihaela
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Enhance your content in a minute
6 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
La care din urmatoarele metode de separare a substantelor din amestecuri se foloseste spirtiera
decantare
cristalizare
filtrare
distilare
2.
DRAW QUESTION
45 sec • 1 pt
Desenati ustensila de laborator care se foloseste la filtrare

3.
MULTIPLE CHOICE QUESTION
10 sec • Ungraded
Ati inteles cat de folositoare este hartie de filtru ptr filitrare
Da
Nu
4.
WORD CLOUD QUESTION
3 mins • Ungraded
Care sunt si alte metode de separare a substantelor din amestecuri
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Distilarea este metoda de separare a componentilor dintr-un amestec omogen de lichide, prin fierbere urmata de condensare . Ca si importanta practica ar fi:
Obtinerea benzinei
extragerea uleiului di semintele de floarea soarelui
Obtinerea motorinei
Spalarea unor precipitate
6.
DRAW QUESTION
3 mins • 1 pt
Desenati 2 ustensile de laborator reprezentative pentru distilare

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