Kura ir oksidēšanās-reducēšanās reakcija?

Ķīmisko procesu norise

Quiz
•
Science
•
11th Grade
•
Medium
Rihards Klūga
Used 2+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
NaOH + HCl -> NaCl + H2O
Zn + CuSO4 -> ZnSO4 + Cu
CaCO3 -> CaO + CO2
Na2O + H2O -> 2NaOH
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kura ir jonu apmaiņas reakcija?
Ni + 2AgNO3 -> Ni(NO3)2 + 2Ag
CaO + CO2 -> CaCO3
NaCl + AgNO3 -> AgCl + NaNO3
2Mg + O2 -> 2MgO
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Kura ir termoķīmiskā reakcija?
2H2 + O2 -> 2H2O + Q
NH4Cl -> NH4+ + Cl- - Q
Zn + 2AgNO3 -> Zn(NO3)2 + 2Ag
2NaOH + FeCl2 -> Fe(OH)2 + 2NaCl
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kura ir savienošanās reakcija?
2Ca + O2 -> 2CaO
Zn + CuCl2 -> ZnCl2 + Cu
Na2SO4 + BaCl2 -> BaSO4 + 2NaCl
MgCO3 -> MgO + CO2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuru formulu izmanto, lai gāzveida vielām aprēķinātu vielas daudzumu?
n = m/M
n = V/V0
n = c*V
n = m*M
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kura ir sadalīšanās reakcija?
CaCO3 -> CaO + CO2
2NaOH + H2SO4 -> Na2SO4 + 2H2O
2Zn + O2 -> 2ZnO
FeO + C -> Fe + CO
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kura reakcija ir endotermiska?
Nātrija hidroksīda šķīšana ūdenī
Ammonija hlorīda šķīšana ūdenī
Oglekļa degšana
Reakcija starp ūdeņradi un skābekli
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