Vask(II)oksiidi valem on...

Oksiidid ja happed

Quiz
•
Science
•
9th Grade
•
Hard
Kaia-Riin Rohtmaa
Used 3+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cu2O
Cu2O3
CuO
CuO2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
H2SO4 nimetus on...
Divesiniksulfiidhape
Väävelhape
Fosforhape
Väävlishape
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Oksiide saadakse, kui omavahel reageerivad...
lihtaine ja vesi
lihtaine ja hapnik
liitaine ja hapnik
lihtaine ja vesinik
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vesinikkloriidhappe valem on...
H2S
HBr
HCl
HNO3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Happelise oksiidi ja vee reageerimisel tekib...
uus oksiid
sool
alus
hape
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
K + H2SO3 --> ...
KSO4 + H2
K2SO4 + H2O
K2SO4 + H2
K2O + H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO + HNO3 --> ...
Ca(NO3)2
CaNO3 + H2O
Ca(NO3)2 + H2
Ca(NO3)2 + H2O
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tugevad happed jagunevad vesilahuses täielikult ioonideks.
Tõene
Väär
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