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Ainete segud

Authored by Gerda Moor

Chemistry

7th Grade

18 Questions

Used 16+ times

Ainete segud
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Õhk on  ...

puhas aine
ainete segu
lahusti

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hapniku molekul on  ...

H2
O
O2
CO2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aine, milles lahustatakse mingit ainet, on  ...

lahustunud aine
lahus
lahusti

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lahus koosneb ...

lahustunud ainest ja lahustist
lahustunud ainest ja lahusest
lahustist ja veest
lahusest ja veest

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Puhas aine koosneb  ...

erinevate ainete osakestest
eri liiki aatomitest
sama aine osakestest

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Süsihappegaasi valem on

C
CO
C2O
CO2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selle meetodiga eraldatakse vedelikust lahustamatuid tahkeid osakesi

Destilleerimine
Aurustamine
Filtreerimine
Sublimatsioon

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