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METODE DE SEPARARE ALE AMESTECURILOR

Authored by Madelaine B

Chemistry

7th Grade

Used 26+ times

METODE DE SEPARARE ALE AMESTECURILOR
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7 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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Recristalizarea este o metoda de separare a substantelor...

omogene

eterogene

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

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...este procesul de separare care presupune

trecere a unui amestec lichid în stare

de vapori prin fierbere, urmată

de condensarea vaporilor obținuți.

(a)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Cate tipuri de amestecuri eterogene exista?

1

2

4

5

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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Substanta pura este alcatuita din atomi, molecule sau ioni de la substante diferite.

adevarat

fals

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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Putem separa mereu substantele dintr-un amestec cu ajutorul magnetului.

fals

adevarat

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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Filtrarea este folosita pentru separarea substantelor eterogene.

fals

adevarat

7.

FILL IN THE BLANKS QUESTION

20 sec • 1 pt

Media Image

Amestecul de apa si zahar este...

(a)  

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