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Mälujäljed keemiast

Authored by Ave Vitsut

Science

10th Grade

Used 5+ times

Mälujäljed keemiast
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Vali, millest koosnevad aineosakesed

aatomid koosnevad molekulidest

molekulid koosnevad aatomitest

ioonid koosnevad molekulidest

molekulid koosnevad ioonidest

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Hingamise saadused on

hapnik ja süsihappegaas

süsihappegaas ja lämmastik

vesi ja süsihappegaas

vingugaas ja vesi

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Kordaja raua ette sobiks .....Fe+3 O2->2 Fe2O3

kaks

kolm

neli

viis

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Rauarooste Fe2O3 on

hape

alus

sool

oksiid

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

magu sisaldab HCl, mis on

hape

alus

sool

oksiid

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Eesti rahvuskivim lubjakivi CaCO3 on

hape

alus

sool

oksiid

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Seebikivi NaOH on

hape

alus

sool

oksiid

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