
Elektrolīti 10.c

Quiz
•
Science
•
10th Grade
•
Hard
+2
Standards-aligned
Zane Eglite
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kāds apzīmējums un mērvienība ir molārajai koncentrācijai?
w, %
c, mol
V, litri
c, mol/L
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāda ir vielas masas daļa šķīdumā, ja 50 gramus vielas ieber 100 gramos ūdens?
50%
100%
150%
33%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kura no dotajām vielām ir stiprs elektrolīts?
BaSO4
HCl
H2O
Fe(OH)3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kurā gadījumā attēlots jons?
CO
C
CO2
Co2+
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurā gadījumā pareizi uzrakstīta Zn(NO3)2 disociācija?
Zn(NO3)2 → Zn2+ + 6NO-
Zn(NO3)2 → Zn2+ + 2NO3-
Zn(NO3)2 → Zn + 2NO3
Zn(NO3)2 → Zn2+ + 5NO-
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kurš apraksts atbilst jonu apmaiņas reakcijas iespējamībai?
stiprs elektrolīts + stiprs elektrolīts → vājš elektrolīts
stiprs elektrolīts + vājš elektrolīts → vājš elektrolīts
stiprs elektrolīts + vājš elektrolīts → stiprs elektrolīts
vājš elektrolīts + vājš elektrolīts → stiprs elektrolīts
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurā šķīdumā būs lielākā ūdeņraža jonu (H+) koncentrācija|?
ja pH = 3
ja pH = 10
ja pH = 7
ja pH = 14
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