
Keemia 10.kl metallid
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Used 22+ times
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20 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Vali loetelust kolm väidet, mis iseloomustavad metalle.
Punaka värvusega hea elektrijuht
Rohekas väga mürgine gaas
Hallika värvusega hästi töödeldav materjal
Hea elektri- ja soojusjuht
Kollakas tahke kristalliline aine, ei juhi elektrit
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Metallid käituvad keemilistes reaktsioonides ...
redutseerijatena (loovutavad elektrone)
oksüdeerijatena (liidavad elektrone)
nii redutseerijate kui oksüdeerijatena
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Millist metalli tuleb säilitada tema kõrge keemilise aktiivsuse tõttu õlikihi all?
Zn
Al
Mg
Na
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Milline järgmistest metallidest on kõige aktiivsem?
Baarium
Kroom
Liitium
Raud
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tina(IV)oksiidi valem on...
SnO
SnO2
Sn2O
Sn4O
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Metall + hape =
sool + vesinik
sool + vesi
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zn + 2HCl =
Zn + HCl
ZnCl + H2O
ZnCl2 + H2
ZnCl2 + H2O
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