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Keemia 8.klassi kordamine

Authored by Lisete Žvirblis

Chemistry

9th Grade

Used 30+ times

Keemia 8.klassi kordamine
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oksiidi üheks elemendiks on alati...

Metall

Mittemetall

Hapnik

Vesinik

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Oksiide liigitatakse

Metalliline ja mittemetalliline

Happeline ja aluseline

Orgaaniline ja anorgaaniline

Tugevad ja nõrgad

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Süsinikdioksiid

CO

SO

CO2

SO2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Li2O

Liitiumdioksiid

Liitiumoksiid

Liitium(II)oksiid

Liitium(I)oksiid

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Oksiidid tekivad lihtaine reageerimisel..

hapnikuga

metalliga

vesinikuga

veega

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tugevalt aluselise oksiidi reageerimisel veega tekib..

Vesi

Hape

Alus

Ei reageeri üldse

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Happed on ained, mis annavad lahusesse..... ioone

hapniku

vesiniku

aluselisi

happelisi

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