3. bloks "Kā notiek vielu ķīmiskās pārvērtības"
8th Grade
•19 Qs
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3. bloks "Kā notiek vielu ķīmiskās pārvērtības"
Passage
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Jekaterina Romanenko
Used 6+ times
FREE Resource
Enhance your content in a minute
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ķīmiska reakcija ir
fizikālais process, kurā notiek agregātstāvokļa maiņa
ķīmiskais process, kurā rodas jaunā viela ar jauno sastāvu
ir gan fizikālais, gan ķīmiskais process, kurā rodas jaunā viela
pārvērtība, kurā nenotiek sastāva maiņa, nerodas jauns savienojums
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vienā molā ietilpstošo daļiņu kopējo masu sauc par
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Daļiņu kopu, kurā ir 6,02 ·1023 daļiņas, sauc par
Avogadro konstante
Avokado konstante
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Aprēķini ūdens H2O molmasu
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Viens mols jebkuras gāzes normālos apstākļos ieņem vienādu tilpumu - 22,4 l/mol. Nosauc fizikālā lieluma nosaukumu
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Pēc ķīmiskās reakcijas vienādojuma S + O2 → SO2 nosaki, cik ir ķīmiskās reakcijas izejvielu
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Pabeidz reakciju vienādojumu shēmu!
Ca + ..... → CaS
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