Oksiidid, vesinik ja vesi
Authored by Tom Maksimov
Chemistry
8th Grade
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aine põlemiseks on vaja... (1p)
valgust
hapnikku
süsihappegaasi
lämmastikku
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Märgi ära oksiidid (2p)
CuO
HCl
Fe2O3
H2
3.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
Märgi elementide oksüdatsiooniastmed järgmistes ühendites (5p):
C2H4 , HCl , FeO , SO3 , H3PO4
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 3 pts
Koosta aine valem, kirjuta indeks, teades oksüdatsiooniastmeid (3p)
CIVO , NiIIO , ClVIIO
(a)
5.
OPEN ENDED QUESTION
3 mins • 5 pts
Kirjuta elementide nimetused. (5p)
ZnO; N2O; Ni2O3; Fe2O3; SO2
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6.
FILL IN THE BLANKS QUESTION
1 min • 3 pts
Kirjuta ainete valemid (3p):
liitiumoksiid, vask(I)oksiid, dilämmastikpentaoksiid
(a)
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Tasakaalusta reaktsioon (1p):
K + Cl2 => KCl
(a)
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