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Lucrare de verificare

Authored by fagarasan mihaela

Chemistry

7th Grade

Lucrare de verificare
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6 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

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

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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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